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1 vote
Lupe can ride her bike at a rate of 20 mph when there is no wind. On one particular day, she rode 2 miles against the wind and

noticed that it took her the same amount of time as it did to ride 3 miles with the wind. How fast was the wind blowing that day!
4 mph
7 mph
10 mph
12 mph

2 Answers

4 votes

Answer:

ANSWER IS 4

Explanation:

User ToddN
by
5.2k points
2 votes

Hello there! Your answer should be 4 mph. Reasoning:

2 = (20 - x) * t

3 = (20 + x ) * t

Time is the same for both equations. Solve for T.

2/(20-x) = 3/(20+x)

the answer is 4 mph.

Please tell me if I was right!

User David Monniaux
by
5.5k points