Question

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Answer 1

85-4x<40

12 cars

Explanation:

85-4x<40

Solve for x.

-4x<-45

x<11.25

If he build 11 cars, the amount of tires would be over 40, so if he builds 12 cars, it will be below 40.