Joan can paint 2 rooms of the same size in 5 hours. If she paints for 7 1/2 hours, how many rooms of the same size can she paint?

asked Jan 23, 2023 76.9k views

11 votes

Joan can paint 2 rooms of the same

size in 5 hours. If she paints for
7 1/2 hours, how many rooms of the
same size can she paint?

8.5k points

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4 votes

Answer:

3 rooms

Explanation:

2x = 5

x = 5/2

5/2 = 7.5/x

5x = 15

x = 3

Jay Zhang answered Jan 27, 2023