write 54+63 as the product of the gcf of 54 and 63 and another sum

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01-12-2015
Mathematics

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write 54+63 as the product of the gcf of 54 and 63 and another sum

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WorldCitizen WorldCitizen · Answer 1 · 2015-12-01T12:07:50+01:00

WorldCitizen WorldCitizen

01-12-2015

1) what is 54+63? it's 117!

2) what is their gcf? well, they''re both divisible by 9:

54=9*6
63=9*7

and 6 and 7 have no divisors in common other than 1, so gcf is actually 9!

so what is 117 as a sum of 9 and something else?

the something else s 117-9=108

so the answer is 9+108

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