Civil Service Exam Reviewer · Word Problems · medium

A piggy bank has 55 coins consisting of ₱5 and ₱10 coins, worth ₱460 in all. How many ₱10 coins are there?

  1. 18
  2. 46
  3. 37
  4. 31

Answer

C. 37

Solution

Let x = ₱10 coins: 10x + 5(55 − x) = 460 → 5x = 185 → x = 37.

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