Answer:
40 inches
Step-by-step explanation:
16×20=320
320÷6=53.33
53.33×3=159.99
159.99÷4=39.9975
39.9975 rounded would be 40
720
Heck that's a lot of erasers!!!
36 (erasers per child) x 20 (the number of children) = 720 (number of erasers)
Chow,...!
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