Rates - SAT Math
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Question
Calculate the rate: 150 miles in 3 hours.
Calculate the rate: 150 miles in 3 hours.
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Answer
50 mph. Divide total distance by total time: $150 ÷ 3 = 50$.
50 mph. Divide total distance by total time: $150 ÷ 3 = 50$.
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Question
If a car travels at 60 mph, how far does it travel in 1.5 hours?
If a car travels at 60 mph, how far does it travel in 1.5 hours?
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Answer
90 miles. Multiply rate by time: $60 × 1.5 = 90$.
90 miles. Multiply rate by time: $60 × 1.5 = 90$.
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Question
What is the rate if 240 units are produced in 8 hours?
What is the rate if 240 units are produced in 8 hours?
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Answer
30 units per hour. Divide total units by total time: $240 ÷ 8 = 30$.
30 units per hour. Divide total units by total time: $240 ÷ 8 = 30$.
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