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45 votes
45 votes
On a bike trip, Erika rides 6 miles in the first 30 minutes and 18 miles in

the next hour. What is her average rate of speed?

On a bike trip, Erika rides 6 miles in the first 30 minutes and 18 miles in the next-example-1
User TaylorV
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1 Answer

18 votes
18 votes

Answer: 15

so the first one is 12, the second one is 18 miles per hour so if you average out the mean it's 15

Explanation:

12 + 18 = 30 / 2 = 15

User Ramadheer Singh
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2.9k points