contestada

Jack paid $120 to have his bus fixed at an auto-repair shop.
The parts of the bus cost $72, and service was charged at $12
an hour. How many hours was the bus worked on?

Respuesta :

Answer:

4 hours

Step-by-step explanation:

72+12x=120 and when you isolate x you get x=4

Otras preguntas

Q&A Education