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Vlad1618 [11]
3 years ago
14

Mexine can stack 20 boxes in 15 minutes. how long will it take her to stack 100 boxes

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0
Lets use a rule of three simple with direct proportion to solve:
 20 boxes -----> 15 min
100 boxes ----> x
x = (100)(15)/20
x = 75
therefore it takes 75 mins to stack 100 boxes

If we use fractions to solve:
15/20 = x/100
and solve for x.
20/15 = 100/y
solve for y
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