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Xiaos teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a sum .xiao wrote 3(20+30).what mistake did he make? How should he have written…

Xiaos teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a sum .xiao wrote 3(20+30).what mistake did he make? How should he have written…
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Xiaos teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a sum .xiao wrote 3(20+30).what mistake did he make? How should he have written the sum

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User Berec
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8.3k points

1 Answer

3 votes
1st he should have found the GCF of 60
2nd he should have found the GCF of 90,

the GCF of 30 = 2x3x5

the GCF of 90 = 2x3²x5

So the GCF of 60 and 90 is 2x3x5 = 30

answered
User Jeremy Green
by
8.0k points
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