Question

A competitive car wash currently hires 4 workers, who together can wash 80 cars per day. The market price of car washes is $5 per wash, and the price of workers is $60 per day. The car wash should hire a fifth worker if it would increase total production to at least:______

a. 92 cars per day.
b. 100 cars per day.
c. 104 cars per day.
d. 110 cars per day.

Answer 1

Number of car washed is 92

So option (a) is correct answer

Step-by-step explanation:

It is given that 4 workers can wash 80 cars per day

Means initially 80 cars are washed per day

And it is given that rate of car wash is $5 per car

Now price of workers is $60 per day

As per car wash is $5

So number of extra car washed
`=(60)/(5)=12`

So total number of car washed = 80 + 12 = 92 cars per day

So option (a) is correct answer