Problem 2 · 2019 Math Kangaroo
Easy
Ratios, Rates & Proportions
division
Ten quarters of an hour correspond to how many hours?
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Answer: E — 2½
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Hint 1 of 2
A quarter of an hour is 15 minutes.
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Hint 2 of 2
Turn the total minutes back into hours.
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Approach: convert quarters to minutes then to hours
- Ten quarter-hours are 10 × 15 = 150 minutes.
- 150 minutes ÷ 60 = 2.5 hours.
- So the answer is 2½ hours.
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