SOLUTION: The Johnson's drove 275 miles in 5 hours. If they continue at the same speed per hour, how many miles will they have driven after 7 hours?

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Question 346159: The Johnson's drove 275 miles in 5 hours. If they continue at the same speed per hour, how many miles will they have driven after 7 hours?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Hi,
rate * time = Distance
Let r be the rate
.
The Question states the following to be true:
r* 5hr = 275
.
r+=+55+%28mi%2Fhr%29
.
Knowing the rate (or speed) is 55+%28mi%2Fhr%29
The Distance traveled in 7 hrs would be:
.
55+%28mi%2Fhr%29%2A7hr+=+highlight%28385+mi%29