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grin007 [14]
3 years ago
14

Julio says, "If you subtract 19 from my number and multiply the difference by - 7, the result is - 28." What is Julio's number?

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

23

Step-by-step explanation:

Basically I did it backwards & opposites:

-28 divided by -7 = 4

4 + 19 = 23

I checked btw and it worked.

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Required

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The term "ranking" as used in this question implies permutation and the required is calculated using:

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So:

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Answer:

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