SOLUTION: During the 1st part of a trip a man travels 100miles at a certain rate. On the 2nd part of the trip the man travels 14 miles at 5mph slower. What is the rate of speed during both p
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Question 319041: During the 1st part of a trip a man travels 100miles at a certain rate. On the 2nd part of the trip the man travels 14 miles at 5mph slower. What is the rate of speed during both parts of the trip. Whole trip takes 5hrs.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
.
.
.
1.
.
.
.
2.
.
.
.
3.
From eq. 1,
From eq. 2,
Substitute into eq. 3,
Use the quadratic formula,
Two solutions:
and
can not work with this problem since would not make sense.
So then
and then,
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