SOLUTION: a man at A walks to a neigborhoring town, B, at the rate of 5mph and returns at a alower rate of 4mph. if it took him 3 hours and 9 minutes for the entire trip, how far is town fro

Question 159793: a man at A walks to a neigborhoring town, B, at the rate of 5mph and returns at a alower rate of 4mph. if it took him 3 hours and 9 minutes for the entire trip, how far is town from A.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
T=D/R
3.15=D/5+D/4
3.15=(4D+5D)/20
3.15=9D/20 CROSS MULTIPLY.
9D=20*3.15
9D=63
D=63/9
D=7 MILES BETWEEN A & B.
PROOF:
3.15=7/5+7/4
3.15=(4*7+5*7)/20
3.15=(28+35)/20
3.15=63/20
3.15=3.15

RELATED QUESTIONS
a man walks 31 mile, partly at teh rate of 2mph and the rest is 5mph. if he had walked... (answered by ankor@dixie-net.com)

A man walks a certain distance at the rate of 5 miles an hour and returns at the rate of... (answered by richwmiller)

hi can someone help me with this.. Town A is 11 miles west of Town B. A man walks from (answered by lwsshak3)

John walks from town A to town B. He first walks on flat land, and then uphill. He then... (answered by ankor@dixie-net.com)

If David walks at the rate of 5mph and jogs at the rate of 9mph and it takes 2 hours to... (answered by solver91311)

A man travels from Town X to Town Y at an average rate of 50 mph and returns at an... (answered by ankor@dixie-net.com)

A man travels from Town X to Town Y at an average rate of 60 mph and returns at an... (answered by stanbon)

how do you solve: for her workout, Sarah walks north at the rate of 3mph and returns at... (answered by stanbon)

A man walks a certain distance at the rate of 5 miles an hour and returns at the rate of... (answered by ptaylor)