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3 years ago

Solve 7/b-36=a/72=28/b

1 answer:

6 0

(7/b)-36=(28/b)
(7/b)-(28/b)=36
7-28=36b
-21=36b
-21/36=b

Therefore:
28/b=a/72
28/(-21/36)=a/72
28 * (36/-21)=a/72
-48=a/72
72* -48 = a
a=-3456

a=-3456
b=-21/36

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cestrela7 [59]

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To solve this problem, we need to divide the recipe amount in 1/6 amounts. So, we will do a fraction division problem like this:

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It is difficult to do division problems on their own, so we can change this into an easier problem. We can do the inverse operation and turn this into multiplication. We do this by changing it to multiplication (obviously), then flip the second fraction.

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I hope this was helpful, keep learning! :D

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