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# reasoning

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You can paint 75 square feet of a surface every 45 minutes. Determine how long it takes you to paint a wall with the given dimensions.8ft X 5ft

Mar 16, 2021

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$$\frac{75}{45} = \frac{100}{60}$$. This means you can paint 100 square feet every 60 minutes. 8ft x 5ft = 40 square feet

$$\frac{40}{x} = \frac{100}{60}$$

$$2400 = 100x$$

$$x = 24$$

This means it will take you 24 minutes to paint an 8ft by 5ft wall :)

Mar 16, 2021