SOLUTION: Travis made a business trip of
305.5
miles. He averaged
49
mph for the first part of the trip and
61
mph for the second part. If the trip took
5.5
hours, how long
Algebra.Com
Question 1052466: Travis made a business trip of
305.5
miles. He averaged
49
mph for the first part of the trip and
61
mph for the second part. If the trip took
5.5
hours, how long did he travel at each rate?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let n be the number of hours traveled at 61 mph. Then:
61n+49(5.5-n)=305.5
12n+269.5=305.5
12n=36
n=3
He drove 3 hours at 61 mph, and 2.5 hours at 49 mph. ☺☺☺☺
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