Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Mr. Schwartz builds toy cars. He begins the week with a supply of 85 wheels, and uses 4 wheels for each car he builds. Mr. Schwartz plans to order more wheels once he has fewer than 40 wheels left.
The inequality that can be used to find the number of cars, x, Mr. Schwartz builds before he places an order for more wheels is
−
x < 40.

Mr. Schwartz will need to order more wheels after building
cars
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