Erin rode her bike 30 miles in 120 minutes. She rode at a constant speed. How long did it take her to ride 20 miles?

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asked Nov 9, 2019 96.7k views

2 Answers

They Call Me Trinity · Answer 1 · 2019-11-14T07:10:09+0000

First, you want to find how long in 1 mile. 120 ÷ 30 = 4 minutes for 1 mile. Then, to find how long in 20 miles, you have to multiply
20 miles x 4 minutes = 80 minutes in 20 miles. I hope this is √.

√ = correct

Erin rode her bike 30 miles in 120 minutes. She rode at a constant speed. How long did it take her to ride 20 miles?

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