7th grade math Ms. Sue please!

1.
Write the following ratio in simplest form: 32 min:36 min

8:9
8:36
32:9
128:144

2.
Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left?

43:8
8:51
43:51
59:51

3.
The price of 8.4 ounces of crackers is $2.42. What is the unit price? Round your answer to the nearest cent.

$0.15 per ounce
$3.47 per ounce
$28.81 per ounce
$0.29 per ounce

4.
Jonah needs to purchase 30 juice packs for his class. While shopping, Jonah discovers the following prices for comparable juice packs. Which offers the best unit price?

15 packs for $3.95
5 packs for $2.20
20 packs for $6.20
10 packs for $3.20

5.
Solve the proportion. Where necessary, round to the nearest hundredth.

8/2 = x+3/4


13
1
7
16

6.
A dozen apples cost $2.55. At this rate, how much would 8 apples cost?

$20.40
$3.83
$0.21
$1.70

7.
Use cross products to determine which of the following pairs of ratios cannot form a proportion. (1 point)

1/3, 3/9
2/3, 4/9
2/3, 4/6
1/3, 2/6

8.
Solve the following proportion.

2/15 = 13/x


390
1.73
2.31
97.5

My answers:
1. 8:9
2. ?????
3. 0.29 per ounce
4. ????
5. 13
6. $1.70
7. 2/3, 4/9
8. 97.5

I desperately need help with 2 nd 4, can you explain how to do them please? And also, can you check the rest of my problems? Thanks!

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asked by Delilah

  1. 2.
    Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left?

    43:51

    4.
    Jonah needs to purchase 30 juice packs for his class. While shopping, Jonah discovers the following prices for comparable juice packs. Which offers the best unit price?

    15 packs for $3.95 >> Multiply each by 2
    5 packs for $2.20 >> Multiply each by 6
    20 packs for $6.20 >> Multiply each by 1.5
    10 packs for $3.20 >> Multiply each by 3

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    posted by Ms. Sue

  2. So was he right?

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    posted by This Girl

  3. Or she

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    posted by This Girl

  4. oh my gosh i have the same questions are the answers right?! please be right i want to get a good score i got 2 out 5 in a test and my mom is going to be mad and the test has like 10 questions i need help.... this is number:
    r
    5.8/2=x+3/4

    10. the scale factor two similar rectangles is 3. if the area of the smaller rectangle is 8 m^2, what is the area of the larger rectangle.
    A.24m^2
    B.192m^2
    C.72m^2
    D.108m^2

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    posted by lianna

  5. what is #4?

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    posted by lianna

  6. nevermind got #4 just need help on #5 and #10

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    posted by lianna

  7. HELP!!!

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    posted by lianna

  8. now i need 9 ugh math is so hard!!!!

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    posted by lianna

  9. I need help with this too! Math is hard for me right now...

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    posted by katie

  10. I am a pandacorn.

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    posted by PANDACORN

  11. These are all of the answers i took the test
    1.A
    2.C
    3.D
    4.A
    5.A
    6.D
    7.B
    8.D
    9.D
    10.C

    1. 2
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    posted by BOOP

  12. OMG BOOP, YOU WERE RIGHT!

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    posted by Anonymous

  13. Actually BOOP was right! :) Great job

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    posted by Mariana

  14. Maybe *none of your concern* has different questions on his test, but I'm sorry you got a bad grade! :(

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    posted by Mariana

  15. Yah BOOP was right I just did it no lie. Thx BOOP.;)

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    posted by Lucy

  16. BOOP was right!!! Thanks!!!!

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    posted by Juliana

  17. BOOP IS SUPER WRONG I GOT A 2/10

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    posted by I Like Turtles

  18. The answers is
    1.A
    2.A
    3.c
    4.a
    5.d
    6.b
    7.a
    8.b
    9.a
    10.a

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    posted by I Like Turtles

  19. are you sure

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    posted by 123456

  20. These are all of the answers i took the test
    1.A
    2.C
    3.D
    4.A
    5.A
    6.D
    7.B
    8.D
    9.D
    10.C

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    posted by Shawn Mendes is bae

  21. I used shawn answers and got 2 of 10 boop is right

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    posted by my number is 318-461-5265 girls hmu

  22. I like turtles was right.... Thx for the "Right answers above" people.

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    posted by Wrong 2/10

  23. 1.A
    2.C
    3.D
    4.A
    5.A
    6.D
    7.B
    8.D
    9.D
    10.C

    poeple i got 100%% trust me!!!!!

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    posted by im just a girl that has no friends

  24. BOOP is 100% correct guys!!! don't listen to anyone else guaranteed you will ace that quiz! just make sure you have the same questions. :)

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    posted by helloz

  25. 100% all correct good bob hit the quan

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    posted by kik its rel its 100%

  26. boop, shawn mendes is bae, and im just a girl with no freinds, all have the same answers, so they are correct i got 100% and befor u hit finish make sure the answers that u have are the same ones that they have right here, or else you will get them wrong ! : )

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    posted by smart one : )

  27. Boop is hella wrong! I got 2/10... Ughh!!!!!

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    posted by OMG IM SO F***** MAD!!

  28. A,C,D,A,A,D,B,D,D,C is right, I just took the quiz and got 100%. Thank you so much guys I'm horrible at math and this helps a lot

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    posted by I really don't like math

  29. You may have had a different math test than this one but the answers that they gave was for a unit five quiz

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    posted by XD Unit 5 answers

  30. Boop was right! It was answers for 8th grade math.

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    posted by Lara Mountainwood

  31. yall I LIKE TURTLES IS RIGHT

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    posted by pass_the_paris

  32. 1. Write the following ratio in simplest form: 32 min:36 min (1 point)
    Correct answer (1 pt) 8:9
    Unselected answer (0 pts) 8:36
    Unselected answer (0 pts) 32:9
    Unselected answer (0 pts) 128:144
    1 /1 point
    2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? (1 point)
    Unselected answer (0 pts) 43:8
    Unselected answer (0 pts) 8:51
    Correct answer (1 pt) 43:51
    Unselected answer (0 pts) 59:51
    1 /1 point
    3. The price of 8.4 ounces of crackers is $2.42. What is the unit price? Round your answer to the nearest cent. (1 point)
    Unselected answer (0 pts) $0.15 per ounce
    Unselected answer (0 pts) $3.47 per ounce
    Unselected answer (0 pts) $28.81 per ounce
    Correct answer (1 pt) $0.29 per ounce
    1 /1 point
    4. Jonah needs to purchase 30 juice packs for his class. While shopping, Jonah discovers the following prices for comparable juice packs. Which offers the best unit price? (1 point)
    Correct answer (1 pt) 15 packs for $3.95
    Unselected answer (0 pts) 5 packs for $2.20
    Unselected answer (0 pts) 20 packs for $6.20
    Unselected answer (0 pts) 10 packs for $3.20
    1 /1 point
    5. Solve the proportion. Where necessary, round to the nearest hundredth.

    Start Fraction 8 over 2 End Fraction equals Start Fraction x plus 3 over 4 End Fraction (1 point)
    Correct answer (1 pt) 13
    Unselected answer (0 pts) 1
    Unselected answer (0 pts) 7
    Unselected answer (0 pts) 16
    1 /1 point
    6. A dozen apples cost $2.55. At this rate, how much would 8 apples cost? (1 point)
    Unselected answer (0 pts) $20.40
    Unselected answer (0 pts) $3.83
    Unselected answer (0 pts) $0.21
    Correct answer (1 pt) $1.70
    1 /1 point
    7. Use cross products to determine which of the following pairs of ratios cannot form a proportion. (1 point)
    Unselected answer (0 pts)
    Correct answer (1 pt)
    Unselected answer (0 pts)
    Unselected answer (0 pts)
    1 /1 point
    8. Solve the following proportion.

    Start Fraction 2 over 15 End Fraction equals Start Fraction 13 over x End Fraction (1 point)
    Unselected answer (0 pts) 390
    Unselected answer (0 pts) 1.73
    Unselected answer (0 pts) 2.31
    Correct answer (1 pt) 97.5
    1 /1 point
    9. ΔABC and ΔDEF are similar. Find the values of x and y.
    Triangle ABC is shown with side AB labeled y, side BC labeled 12, and side CA labeled 21. Triangle DEF is shown with side DE labeled 6, EF labeled 4, and FD labeled x. (1 point)
    Unselected answer (0 pts) x = 7, y = 12
    Unselected answer (0 pts) x = 21, y = 12
    Unselected answer (0 pts) x = 14, y = 18
    Correct answer (1 pt) x = 7, y = 18
    1 /1 point
    10. The scale factor for two similar rectangles is 3. If the area of the smaller rectangle is 8 m2, what is the area of the larger rectangle? (1 point)
    Unselected answer (0 pts) 24m2
    Unselected answer (0 pts) 192m2
    Correct answer (1 pt) 72m2
    Unselected answer (0 pts) 108m2
    1 /1 point

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    posted by Awesome Kid

  33. Negative 87

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    posted by Bobooooooo

  34. 1.A
    2.C
    3.D
    4.A
    5.A
    6.D
    7.B
    8.D
    9.D
    10.C

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    posted by |Willow|

  35. BOOP IS RIGHT. JUST GO WITH BOOP PEOPLE.

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    posted by Anonymous

  36. BOOP IS RIGHT. Thanks Boop.

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    posted by Mrs. Sue

  37. boop is wrong 2/10

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    posted by connexus academy

  38. Y'all are lifesavers. "I really don't like Math" is right I took the quiz and got a 100%.

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    posted by Joe

  39. BOOP is right for 7th GRADE MATH QUIZ!

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    posted by Thnx lol

  40. Boop was right

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    posted by Bobs

  41. Answers for 'Ratios of similar figures' quiz for CCA

    1. A
    2. C
    3. D
    4. A
    5. A
    6. D
    7. B
    8. D
    9. D
    10. C

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    posted by Ghost

  42. He wrong i swear

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    posted by I hate boop

  43. 3 is actually b and 7 d is for 8th grade quiz@i like turtles

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    posted by love

  44. Alright y'all my name is clearly listed on the right side of this box and I am here a year later to see who it right! I will be using Boop's answers, letS DO THIS

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    posted by cAt.ExE HaS sTopPeD wORkInG

  45. Annnddd I got 10/10 thanks to boops answers!!
    Connexus / Connections Academy students, Boop is still correct 1 year later!!

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    posted by cAt.ExE HaS sTopPeD wORkInG

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