SOLUTION: An electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. For what amount of time will the cost be the same? What is that cost?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: An electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. For what amount of time will the cost be the same? What is that cost?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1063592: An electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. For what amount of time will the cost be the same? What is that cost?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, number of hours

15%2B11x=10%2B15x
10%2B15x=11x%2B15
4x=5
x=5%2F4
x=1%261%2F4
1 hour 15 minutes


COST:
10%2B15%285%2F4%29
40%2F4%2B75%2F4
115%2F4
highlight%2828.75%29