Cole's Computer Company charges $50 for a service call to your home to repair your computer system, and he charges $12 per hour, h, for labor for any repair. Cole uses this formula to calculate the total cost, t. 50 + 12h = t

Mr. Greene paid Cole a total of $86 for a repair. How many hours did it take to finish the job?

Group of answer choices

a. 3

b. 7

c. 5

d. 4

3 hours

Step-by-step explanation:

50+12h=86

-50 on both sides

12h=36

divide by 12 on both sides

h=3

3 hours

Step-by-step explanation:

50 + 12h = 86

12h = 36

h = 3

answer: the answer is ann

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours