Civil Service Exam Reviewer · Word Problems · hard
₱220,000 was invested, part at 5% and the rest at 10% simple annual interest. The total interest after one year was ₱12,000. How much was invested at 5%?
- ₱20,000
- ₱110,000
- ₱120,000
- ₱200,000
Answer
D. ₱200,000
Solution
0.05x + 0.1(220,000 − x) = 12,000 → 0.05x = 10,000 → x = ₱200,000.
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