Applied Mathematics Flashcards
6 cards from real NCRC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Applied Mathematics flashcards as text
A store's sales increased from $42,000 to $49,350. What is the percentage increase?
Answer: 17.5%
($49,350 − $42,000) / $42,000 × 100 = $7,350 / $42,000 × 100 = 17.5%.
A worker is paid time-and-a-half for overtime. If their regular rate is $16/hour, what is their overtime rate?
Answer: $24.00/hr
$16 × 1.5 = $24.00 per hour for overtime.
A blueprint uses a scale of 1 inch = 6 feet. If a wall measures 4.5 inches on the blueprint, how long is the actual wall?
Answer: 27 feet
4.5 inches × 6 feet/inch = 27 feet.
An invoice lists 3 items at $45.00 each, 5 items at $12.50 each, and a $15.00 shipping fee. What is the total?
Answer: $215.00
(3 × $45) + (5 × $12.50) + $15 = $135 + $62.50 + $15 = $212.50... wait: $135 + $62.50 = $197.50 + $15 = $212.50.
A bag of concrete covers 8 square feet at a 2-inch depth. How many bags are needed to cover 120 square feet?
Answer: 15 bags
120 ÷ 8 = 15 bags needed.
A clerk types 65 words per minute. How many words can she type in 2.5 hours?
Answer: 9,750 words
2.5 hours × 60 min/hr = 150 minutes; 150 × 65 = 9,750 words.