Algebra & Equations · Question 19 · Easy

One-third of a number is 12 more than one-fifth of it. What is the number?

  1. 45
  2. 60
  3. 180
  4. 90
Answer and explanation

Answer: D. 90

Explanation: n/3 − n/5 = 12 gives 2n/15 = 12, so n = 90.

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