Question

an electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. Write and solve a system of equations t determine the amout of time for whichc the cost will be the same and teh cost

Answer 1

First Electrician

y=11x+15

y equals the total cost

x equals the number of hours

Second Electrician

y=15x+10

same meaning.

graph these equations.

or solve them as a system.

The answer will be 1.25 Hours.

They will both cost. $28.75

Explanation: