(a) Identify your variables using let statements.

(b) Determine the equations for the linear system.

(c) Determine the solution to the linear system (point of intersection)

(d) Explain the meaning of the solution using a therefore statement.

AC Pool Repairs Company charges $50 for a service call, plus $40/hour for labour. Speedy Pool

Repairs charges $30 for a service call, plus $45/hour for labour. Find the length of a service call

for which both companies would charge the same amount?