Question

8+5 (15-5) X 2
please help i know its 33 but i can't prove my work i did it in my head.

Answer 1

108

Explanation:

8 + 5·(15-5)·2

= 8 + 5·10·2

= 8 + 50·2

= 8 + 100

= 108

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Comment on the supposed answer

33 is the result of 8 + 5(15 -10). The contents of parentheses must be evaluated first. Then the multiplication. In any event, factors outside parentheses multiply every term inside parentheses, not just the one(s) you might pick or choose.