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15-01-2021
Mathematics

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A jar black beans and pinto beans in a ratio of 1 : 4, and 180 of the beans are black beans. How many beans in total are there in the jar?

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15-01-2021

Answer:

720 beans in total

Step-by-step explanation:

I would set this up with proportions, so-

1 180

4 x

Then cross multiply-

4 x 180 = 720

Divide-

720/1 = 720

720 is your answer

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