A teacher had 70 packages of paper she wanted to split equally into 7 piles. How much should be in each pile?
1 answer:
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Volume of twin sized mattress =
39* 8.75* 75 = 25593.35 cubic inch
Volume of queen sized mattress =
60* 8.75* 80 = 42000 cubic inch
To fill 25593.35 cubic inch it takes 4 minutes
To fill 1 cubic inch it will take = minutes
So to fill 42000 cubic inch it will take =
= 6.56 minutes.