Jonah was asked to add 4 and 7 then multiply the sum by 9.

Jonah was asked to add 4 and 7 then multiply the sum by 9. Which expression
shows Jonah’s problem? (The sum is the answer to an addition problem.)

a (4 + 7) × 9 b (7 – 4) × 9 c 4 + (7 × 9)

Answer: a (4 + 7) × 9

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