GED Mathematical reasoning 2

Question 1

A store sells apples for $1.25 each. If Maria buys 8 apples and pays with a $20 bill, how much change will she receive?

Accepted Answer

$10.00

Answer

8 apples × $1.25 = $10.00. Change = $20.00 − $10.00 = $10.00.

Question 2

Which of the following is equivalent to 3/8 expressed as a decimal?

Accepted Answer

0.375

Answer

3 ÷ 8 = 0.375. Dividing the numerator by the denominator converts a fraction to a decimal.

Question 3

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 4

Order the following numbers from least to greatest: −3, 1/2, −1.5, 0, 2

Accepted Answer

−3, −1.5, 0, 1/2, 2

Answer

On a number line: −3 < −1.5 < 0 < 0.5 < 2. Converting all to decimals makes comparison straightforward.

Question 5

A recipe calls for 2 1/4 cups of flour. If you want to make 1.5 times the recipe, how many cups of flour do you need?

Accepted Answer

3 3/8 cups

Answer

2 1/4 × 1.5 = 9/4 × 3/2 = 27/8 = 3 3/8 cups.

GED Practice Test