SOLUTION: sam and joe are house painters.sam makes $5 an hour less than joe. on a job that took them both 40 hours to complete,they made $1400.how much does sam make in one hour?
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Question 726411: sam and joe are house painters.sam makes $5 an hour less than joe. on a job that took them both 40 hours to complete,they made $1400.how much does sam make in one hour? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! sam and joe are house painters.
sam makes $5 an hour less than joe.
on a job that took them both 40 hours to complete, they made $1400.
how much does sam make in one hour?
:
let x = Sam's hourly wage
then
(x+5) = Joe's hourly wage
:
40x + 40(x+5) = 1400
40x + 40x + 200 = 1400
80x = 1400 - 200
80x = 1200
x = 1200/80
x = $15 an hr, is Sam's wage
:
:
Check by finding how much each earned:
40(15) = 600
40(20) = 800
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total: 1400
