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an 20. Dequan spent 44 minutes yesterday cleaning 3 bathrooms and the kitchen at home. He spent the same amount of time cleaning each place, and then 8 minutes putting all the supplies away after. Write an algebraic equation and then solve to find out how many minutes m he spent on each room.

Sagot :

Let:

b = minutes spent cleaning the 3 bathrooms

k = minutes spend cleaning the kitchen

He spent the same amount of time cleaning each place, therefore:

k = b

He spent 44 minutes in total, besides he spent 8 minutes putting all the supplies away after:

b + k + 8 = 44

since k = b = m:

m + m + 8 = 44

2m + 8 = 44

Solving for m:

2m = 44 - 8

2m = 36

m = 36/2

m = 18

Therefore, he spent 18 minutes in each room