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Kaylis [27]
3 years ago
9

It takes 20 minutes for 5 people to paint 5 walls.

Mathematics
1 answer:
qwelly [4]3 years ago
5 0
It would take 36 minutes. If you use unit rate, you would take 20min/5people and see how many minutes does it take to paint one wall. Which would be represented by 4min/1person. To find how many minutes it would take for 9 walls, you get 4min/1person to become 9 people for the denominator. Then, whatever you do to the denominator you do to the numerator. So, 4 times 9 is 36. Therefore, making the answer 36minutes/9people.
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A line includes the points (1, 9) and (0, 5). What is it’s equation in the slope-intercept form?
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