3. Joe has to pay $600 rent. He only has 80% of the money. If Joe takes home $6 per hour, how many hours must he work to collect the rest of the rent money ?

Respuesta :

Answer:

20 hours

Step-by-step explanation:

600 x .80 = 480

600 - 480 = 120

120 / 6 = 20

he has to work 20 more hours