SOLUTION: Sally drives a distance of 100 miles. It takes 2 1/2 hours for Sally to drive this distance. Work out her average speed. A: 25 miles per hour B: 30 miles per hour C: 40 mi

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Sally drives a distance of 100 miles. It takes 2 1/2 hours for Sally to drive this distance. Work out her average speed. A: 25 miles per hour B: 30 miles per hour C: 40 mi      Log On

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Question 756068: Sally drives a distance of 100 miles.
It takes 2 1/2 hours for Sally to drive this distance.
Work out her average speed.
A: 25 miles per hour
B: 30 miles per hour
C: 40 miles per hour
D: 60 miles per hour
E: 250 miles per hour.
Please Select ONE.
P.s. Please also explain how you managed to get your answer.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Distance equals rate (speed) times time, therefore speed equals distance divided by time. Divide 100 by 2 1/2.

John

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