AlgebraHardNumber where two fractional expressions agree
Algebra practice question
A quarter of a number, plus 3, equals a third of the same number, minus 1. What is the number?
Answer: 48
n/4 + 3 = n/3 − 1 gives 4 = n/12, so n = 48.
Common wrong answers
- If you answered 12
- 12 is n/4 at the solution.
- If you answered 16
- 16 is n/3 at the solution.
- If you answered 24
- 24 solves n/4 + 3 = n/3 + 1.
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