asked 192k views
3 votes
Xiao's teacher asked him to rewrite the sum 60+ 90 as the product of the GFC of the two numbers and a sum. Xiao wrote 3(20+30). What mistake did Xiao make? How should he have written the sum?

1 Answer

4 votes
the greatest common factor here is not 3, it's 30.
so it should be 30(2+3)

hopefully this helps!
answered
User Yuqli
by
8.4k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.