Inactive Tutor answered 03/05/14
Tutor
New to Wyzant
24*32 = (20+4)*(30+2) = 600 + 40 + 120 + 8
= 640 + 120 + 8 = 760 + 8 = 768
Inactive Tutor answered 03/05/14
Inactive Tutor answered 03/05/14
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