Problem:
−15+9×(6÷3)=
Answer Choices:
A. −48
B. −12
C. −3
D. 3
E. 12
Solution:
Using the standard order of operations,
===−15+9×(6÷3)−15+9×2−15+18 3.[operate inside parentheses][multiplication precedes addition]
Answer: D.
The problems on this page are the property of the MAA's American Mathematics Competitions