Ghost63089191 Ghost63089191

29-11-2021
Mathematics

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Julio says, “if you subtract 12 from my number and multiply the difference by -5, the result is -90” what is Julio’s number

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simplygabbie713 simplygabbie713

29-11-2021

work backwards and do the opposite sign!
-90 / -5 = 18
18 + 12 = 30
We can then plug in 30 to the original to check the work
30 - 12 = 18
18 * -5 = -90

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