A number is multiplied by 3 and then 7 is added. The result is 40. What is the number?
Answer and explanation
Correct answer: C. 11 (33 / 3)
- Step 1: Work backwards: 40 - 7 = 33. Step 2. 33 / 3 = 11. Answer: 11 (33 / 3). Why not the others: 15, 13 and 9 do not give 40 when the steps are followed.
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