Respondido

9 pipes can fill a tank in 4 hours . How long it will take if there are 12 pipes of same type is used

Resposta :

FELIPESXAVIER75GO

Hi

9 pipes in 4 hours

12 pipes in ? hours

9? = 12 x 4

? = 48 / 9

? = 5,33 hours

Tnx

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