Civil Service Exam Reviewer · Word Problems · medium
A piggy bank has 55 coins consisting of ₱5 and ₱10 coins, worth ₱365 in all. How many ₱10 coins are there?
- 37
- 18
- 36.5
- 24
Answer
B. 18
Solution
Let x = ₱10 coins: 10x + 5(55 − x) = 365 → 5x = 90 → x = 18.
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