Question

If you can paint 75 square feet every 45 minutes how long will it take to paint a 8 by 5

Answer 1

Answer:

24 minutes

Step-by-step explanation:

The Dimensions of the wall are given as:

8ft × 5ft = 40ft² or 40 square feet

Step-by-step explanation:

Answer 2

Answer:

24 minutes

Step-by-step explanation:

8 * 5 = 40 ft²

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Method I: Use a proportion

x/40 = 45/75

multiply both sides by 40

x = 45/75 * 40

x = 24

24 minutes

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Method II: Use the rate

45/75 = 0.6min/ft²

40 * 0.6 = 24

24 minutes