# Math

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

8:98:3632:9128:144

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?
(1 point)

43:88:5143:5159:51

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

\$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?
(1 point)

15 packs for \$3.955 packs for \$2.2020 packs for \$6.2010 packs for \$3.20

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)

131716

6.
A dozen apples cost \$2.55. At this rate, how much would 8 apples cost?
(1 point)

\$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)

8.
Solve the following proportion.

Start Fraction 2 over 15 End Fraction equals Start Fraction 13 over x End Fraction
(1 point)

3901.732.3197.5

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)

x = 7, y = 12x = 21, y = 12x = 14, y = 18x = 7, y = 18

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)

24m2192m272m2108m2

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3. 👁 677
1. All are ok except #7 ??

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2. is this right

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3. come on I need answers RIGHT NOW or I might flunk 8th grade math

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