AlgebraMediumNumber from a bracketed product
Algebra practice question
Three times the result of subtracting 4 from a number is 48. What is the number?
Answer: 20
3(n − 4) = 48 gives n − 4 = 16, so n = 20.
Common wrong answers
- If you answered 12
- 12 subtracts 4 from 16.
- If you answered 16
- 16 is n − 4.
- If you answered 17.33
- 17.33 solves 3n − 4 = 48.
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