9514 1404 393
Answer:
Step-by-step explanation:
Let x represent the number of higher-value coins. Then the total value is ...
5x +1(52 -x) = 136
4x +52 = 136 . . . . . . . . simplify
4x = 84 . . . . . . . . . . . subtract 52
x = 21 . . . . . . . . . . divide by 4
Carlo has 21 5-piso coins, and 31 1-piso coins.
