Question 1196303
Let x = number of P10.00 coins
 50-x = number of P5.00 coins

Equation:
10x + 5(50-x) = 335
10x + 250 - 5x = 335

Combine like terms:
10x - 5x = 335 -250
5x = 85
x = 17

Answer:
There are 17 P10.00 coins out of 50 coins.

Solved.