Question

15) An electrician charges $15 per service call plus $25 an hour. The total bill for a recent job was $90. How

many hours did the electrician work?

Answer 1

3 hours

Explanation:

$25(3 hours)=$75

$75+$15=$90

Answer 2

Answer: 3 hours

Explanation:

25 x 3 = 75

90 - 75 = 15 ( aka 1 service call)

Hope this helps!