MASS Mathematical Usage 2

Question 1

A recipe requires 3/4 cup of sugar to make 12 cookies. How much sugar is needed to make 30 cookies?

Accepted Answer

1 7/8 cups

Answer

30/12 = 2.5, and 2.5 × 3/4 = 15/8 = 1 7/8 cups.

Question 2

What is 15% of 240?

Accepted Answer

36

Answer

0.15 × 240 = 36.

Question 3

If a car travels 180 miles in 3 hours, what is its average speed?

Accepted Answer

60 mph

Answer

180 miles ÷ 3 hours = 60 mph.

Question 4

Solve for x: 3x + 7 = 22.

Accepted Answer

5

Answer

3x = 15, so x = 5.

Question 5

What is the area of a rectangle with length 12 cm and width 8 cm?

Accepted Answer

96 cm²

Answer

Area = length × width = 12 × 8 = 96 cm².

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