NEDP Mathematics Skills 2

Question 1

A store sells a jacket for $85.00 after applying a 15% discount. What was the original price?

Accepted Answer

$100.00

Answer

If $85 is 85% of the original price, then the original price = $85 ÷ 0.85 = $100.00.

Question 2

What is the value of 3² + 4² ?

Accepted Answer

25

Answer

3² = 9 and 4² = 16; 9 + 16 = 25.

Question 3

Simplify: 5(2x − 3) + 4x

Accepted Answer

14x − 15

Answer

Distribute: 10x − 15 + 4x = 14x − 15.

Question 4

A recipe calls for 2¾ cups of flour. If you want to make 1½ times the recipe, how many cups of flour do you need?

Accepted Answer

4 1/8 cups

Answer

2¾ × 1½ = 11/4 × 3/2 = 33/8 = 4 1/8 cups.

Question 5

A car travels 240 miles using 8 gallons of gas. At the same rate, how many gallons are needed to travel 360 miles?

Accepted Answer

12 gallons

Answer

Rate = 240/8 = 30 mpg. Gallons needed = 360 ÷ 30 = 12 gallons.

NEDP - National External Diploma Program Practice Test