1989 AMC 8 Problem 5 — Solution | LIVE by Po-Shen Loh

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1989 AMC 8 Problem 5

Attempt Problem 5 of the 1989 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1989 AMC 8 solutions, or check the answer key.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

5.

What is the value of

$-15 + 9 \times (6 \div 3)?$

$-48$

$-12$

$-3$

$3$

$12$

Answer: D

Concepts:order of operations

Difficulty rating: 560

Solution:

Inside the parentheses, $6 \div 3 = 2.$ Then multiplication comes before addition, so $9 \times 2 = 18.$

Finally, $-15 + 18 = 3.$

Thus, the correct answer is D .

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