Xiao's teacher asked him to rewrite the sum 60+90 the product of the GCF of the two numbers and a sum. Axial wrote 3 (20+30). What mistake did axial make? How should he have written the sum?

Question

Mathematics

Sue

26 January, 03:56

Xiao's teacher asked him to rewrite the sum 60+90 the product of the GCF of the two numbers and a sum. Axial wrote 3 (20+30). What mistake did axial make? How should he have written the sum?

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Answers (1)

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Maia Glover · Answer 1

60 + 90

GCF = 30

(30 * 2) + (30 * 3) = 30 (2 + 3) < = = the correct way

The mistake Axial made was he did not pick the greatest common factor ... he picked 3 instead of 30.