Question

Repair shop charges $70 the first hour and $60 for each additional hour. Total labor charge for an air conditioning installation was $610 find total repair time

Answer 1

9

Explanation:

$70 + $60h = $610

$60h = $540

h = $9

Answer 2

9 Hours

Explanation:

$70 for the first hour

$60 dollars for each hour

$610 - $70 = $540

$540 / $60 = 9

9 Hours total repair time