Question

Which expression is NOT equivalent to 60, plus, 1260+12?
Answer
Multiple Choice Answers
6, left parenthesis, 54, plus, 2, right parenthesis6(54+2)
3, left parenthesis, 20, plus, 4, right parenthesis3(20+4)
2, left parenthesis, 30, plus, 6, right parenthesis2(30+6)
6, left parenthesis, 10, plus, 2, right parenthesis6(10+2)

Answer 1

First simplify 60 + 12 = 72.

Evaluate each choice:
- 6(54 + 2) = 6 · 56 = 336
- 3(20 + 4) = 3 · 24 = 72
- 2(30 + 6) = 2 · 36 = 72
- 6(10 + 2) = 6 · 12 = 72

So 6(54+2) is not equivalent.