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5 votes
Solve the word problem. The formula d = rt gives the distance traveled in time t at rate r. A bicyclist rides at a constant rate of 15 miles per hour. How many miles will she travel in 3.5 hours ?

A: 18.5 miles
B: 23.3 miles
C: 4.3 miles
D: 52.5 miles

User Matusko
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2 Answers

5 votes
correct answer above. substitute and multiply since you know the rate or r and you know the time or t then use d=rt to find the distance. don't think too hard on this stuff it'll come to you don't give up.
User Jirong Hu
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2 votes
D=(r)(t)

D=(15)(3.5)
D=52.5
User Kunal Bhatia
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