Fractions, Decimals, and Percentages Flashcards

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

Read the first 6 Fractions, Decimals, and Percentages flashcards as text

Multiply: 3/5 × 10/9
Answer: 2/3
3/5 × 10/9 = 30/45 = 2/3 (simplify by dividing by 15).
What is 35% of 420?
Answer: 147
35% of 420 = 0.35 × 420 = 147.
Divide: 7/8 ÷ 7/16
Answer: 2
Dividing by a fraction = multiplying by its reciprocal: 7/8 × 16/7 = 112/56 = 2.
A discount reduces a $250 item to $187.50. What percentage discount was applied?
Answer: 25%
Discount amount = $250 - $187.50 = $62.50. Percentage = (62.50/250) × 100 = 25%.
What is 2/3 of 3/4 of 120?
Answer: 60
3/4 of 120 = 90. 2/3 of 90 = 60.
Express 5/12 as a percentage (rounded to the nearest tenth).
Answer: 41.7%
5 ÷ 12 = 0.41666... × 100 ≈ 41.7%.