12 people can clean an office in 3 hours. How long would it takes 4 people??
plz answer this question with process because process helps to understand better. it's my humble request to all
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Step-by-step explanation:
12 men's take 3 hours to clean an office
( it is a problem of direct variation)
so we have to just cross multiply the numbers
by considering the time taken by 3 men's to clean up the offic
12/4 × x/3
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