Friday

September 30, 2016
Posted by **Delilah** on Wednesday, November 28, 2012 at 6:34pm.

Use an equation to solve the problem.

1.

What is 57% of 11? (1 point)

11 = 0.57 • n; 19.3

n = 57 • 11; 627

n = 0.57 • 11; 6.27

11 = 57 • n; 0.19

2.

224 is 25% of what number? (1 point)

224 • 0.25 = w; 560

224 = 0.25 • w; 896

224 • 0.25 = w; 56

224 = 0.25 • w; 90

3.

Explain how to find 45% of a number.

(1 point)

Multiply the number by 0.45.

Divide the number by 4.5.

Divide the number by 45.

Multiply the number by 4.5.

Find the percent of increase. Round to the nearest tenth of a percent where necessary.

4.

32 to 76 (1 point)

137.5%

42.1%

57.9%

2.4%

Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary.

5.

57 to 19 (1 point)

38%

66.7%

200%

20%

Find the percent of markup. Round to the nearest whole percent.

6.

Store's Cost: $136.50

Selling Price: $184.70 (1 point)

48%

26%

14%

35%

Find the sale price. Round to the nearest cent.

7.

Regular Price: $57.63

Percent of Discount: 10% (1 point)

$63.39

$5.76

$51.87

$57.53

Find the regular price. Round to the nearest cent.

8.

Sale Price: $56.78

Percent Discount : 40% (1 point)

$141.95

$96.78

$79.49

$94.63

9.

Find the interest earned in an account with $600 invested at 4.5% annual simple interest for 2 years. (1 point)

$540.00

$5,400.00

$54.00

$13.50

10.

When invested at an annual interest rate of 4.7%, an account earned $1,290.33 of simple interest in 3 years. How much money was originally invested? If necessary, round to the nearest cent.

(1 point)

$82,361.49

$9,151.28

$20.22

$91,512.77

My answers:

1. n = 0.57 • 11; 6.27

2. 224 = 0.25 • w; 896

3. Multiply the number by 0.45.

4. 137.5%

5. 66.7%

6. 48%

7. $51.87

8. $94.63

9. $54.00

10. $9,151.28

- 7th grade math Ms. Sue please -
**Ms. Sue**, Wednesday, November 28, 2012 at 6:53pmI disagree with 6.

The others are correct. - 7th grade math Ms. Sue please -
**Destiny**, Wednesday, November 28, 2012 at 7:52pmare all others but 6 correct?

- 7th grade math Ms. Sue please -
**Lila**, Thursday, January 10, 2013 at 1:59pmyes????

- 7th grade math Ms. Sue please -
**Isabella**, Thursday, December 5, 2013 at 6:45pmWhat is 45% of 10?

A)450

B)45

C)4.5

D)0.45

I think its D) 0.45 - 7th grade math Ms. Sue please -
**Anonymous**, Monday, November 10, 2014 at 2:45pmNumber 6 is not 48%, it is D: 35%

- 7th grade math Ms. Sue please -
**Took the test**, Thursday, December 11, 2014 at 4:29pmI came here to check my answers and i had 3 wrong! 10/10 thanks to all of you! Anonymous was right its 35% thank you all! <3

- 7th grade math Ms. Sue please -
**PANDACORN**, Thursday, November 12, 2015 at 9:07amIsabella, the answer is 4.5.

- 7th grade math Ms. Sue please -
**Santana**, Wednesday, November 18, 2015 at 7:26pmWhat were the correct answers @Delilah ??

- 7th grade math Ms. Sue please -
**JMANTOCOOL**, Friday, December 4, 2015 at 2:47am1. C

2. B

3. A

4. A

5. B

6. D

7. C

8. D

9. C

10. B - 7th grade math Ms. Sue please -
**Griff**, Sunday, December 6, 2015 at 10:34pmJMANTOCOOL... The answers are wrong bud...

- 7th grade math Ms. Sue please -
**connections student**, Tuesday, January 12, 2016 at 9:10pmc

c

a

a

b

d

c

d

c

b

gurentee 100% JMANTOCOOL was correct and griff is just trying to fool you... :( - 7th grade math Ms. Sue please -
**Griff**, Friday, February 5, 2016 at 10:58amConnections student, Please try making some sense. What would be the point of me trying to fool someone if im looking for answers myself moron. For me his answers are wrong. bud...

- 7th grade math Ms. Sue please -
**Reina**, Thursday, February 11, 2016 at 5:04pmThis is the real answers for the test.

c

b

a

a

b

d

c

d

c

b

Connections student got #2 wrong. #2 for connexus students is B. Thank you all! Bye! And also thx connections student :) i got 9 / 10 at least :P - 7th grade math Ms. Sue please -
**The guy who helps**, Thursday, May 12, 2016 at 10:39amReina is 100% correct

- 7th grade math Ms. Sue please -
**Trolls**, Wednesday, May 25, 2016 at 3:48pmReina is wrong.

- 7th grade math Ms. Sue please -
**What Zit Tooya**, Wednesday, June 1, 2016 at 10:55am1c, 2b, 3a, 4a, 5b, 6a, 7c, 8d, 9c, 10b