SOLUTION: Peter and John started running a 2-mile course at 1:15 p.m. Peter finished at 1:30 p.m. If John's average speed was 3/4 of Peter's average speed, at what time did John finish runni

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Peter and John started running a 2-mile course at 1:15 p.m. Peter finished at 1:30 p.m. If John's average speed was 3/4 of Peter's average speed, at what time did John finish runni      Log On

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Question 319100: Peter and John started running a 2-mile course at 1:15 p.m. Peter finished at 1:30 p.m. If John's average speed was 3/4 of Peter's average speed, at what time did John finish running the course?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Rate*Time=Distance
.
.
.
P%2A15=2
P=2%2F15
.
.
.
J%2AT=2
%283%2F4%29P%2AT=2
%283%2F4%29%282%2F15%29%2AT=2
%281%2F10%29T=2
T=20 minutes
John finished at 1:15+0:20=1:35 PM.