Question

A plumber charges $70 per hour plus $40 for the call. What does he charge for 4 hours of work? Use x to represent the hours of work.

Answer 1

$320

Explanation:

(4 x $70) + $40 is the equation

$280 + $40 = $320

$320

Answer 2

Explanation:

70x4 is 280 plus 40 is 320.