SOLUTION: Jolene and Samantha began a trip from the same place at the same time. If Jolene's speed was 40mph and Samantha's speed was 50mph, how many hours will it take for Samantha to get 2
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Question 64508This question is from textbook An Incremental Development
: Jolene and Samantha began a trip from the same place at the same time. If Jolene's speed was 40mph and Samantha's speed was 50mph, how many hours will it take for Samantha to get 25 miles ahead?
This question is from textbook An Incremental Development
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Jolene and Samantha began a trip from the same place at the same time. If Jolene's speed was 40 mph and Samantha's speed was 50 mph, how many hours will it take for Samantha to get 25 miles ahead?
:
Let t = time they are both on the road:
:
Write a distance equation and solve for t: Dist = speed * time:
Sam's dist - Jo's dist = 25
50t - 40t = 25
10t = 25
t = 2.5 hrs
:
Check using distance:
Sam: 50*2.5 = 125
Jos: 40*2.5 = 100
-----------------
difference of 25 mi
:
Not that hard, right? Any questions?
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