Math, asked by ayushsaha15, 6 months ago

Twelve people can clean an office building in 3 hours .how long whould it
take 4 people?

Answers

Answered by Anonymous

2

Step-by-step explanation:

i think it's twelve hours

Answered by Anonymous

16

Answer:

9 hr....

Step-by-step explanation:

12 people = 3hr

1 people = 3hr×12

4 " =( 3×12)/4

" " = 3×3

9hr

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