A repairman charges $55 for a home visit plus $45 per hour for the time he spends making repairs. How many hours did he work if he was paid $212.50 for a home visit? Round to the nearest tenth.

3.5

Step-by-step explanation:

3.5 hours

Step-by-step explanation:

First, we can subtract 55 from 212.50 which equals 157.5.

Then we divide 157.5/45 which is 3.5

He worked 3 hours and 30 minutes

3.5 hours

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

it would have to be 3/0