SOLUTION: A car traveled 120 miles at a certain avarage rate. By increasing its avarage rate by 10mph, it traveled 160 miles in the same time it traveled the 120-mile trip. Find its average

Question 349610: A car traveled 120 miles at a certain avarage rate. By increasing its avarage rate by 10mph, it traveled 160 miles in the same time it traveled the 120-mile trip. Find its average rate on the first trip. Show your work.

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Rate*Time=Distance

.
.
.
First part of the trip:
1.
.
.
Second part of the trip:
2.
Solve for

.
.
.
Then from eq. 1,

mph
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