Mathematics Flashcards

6 cards from real NTN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Mathematics flashcards as text

What is 15% of 240?
Answer: 36
15% of 240 = 0.15 × 240 = 36.
A worker earns $18.50 per hour and works 40 hours in a week. What is the worker's gross weekly pay?
Answer: $740.00
$18.50 × 40 = $740.00.
Solve for x: 3x + 7 = 22
Answer: x = 5
3x = 22 − 7 = 15, so x = 15 ÷ 3 = 5.
A rectangle has a length of 12 feet and a width of 7 feet. What is its area?
Answer: 84 sq ft
Area = length × width = 12 × 7 = 84 square feet.
Which of the following is equivalent to 3/4?
Answer: 0.75
3 ÷ 4 = 0.75.
If a car travels 270 miles in 4.5 hours, what is its average speed?
Answer: 60 mph
Speed = distance ÷ time = 270 ÷ 4.5 = 60 mph.