Problema Solution
Last summer, Berting sold ice buko. On a certain day, he observed that the money he had consisted of 25¢ and P5.00 coins. In fact, 9 less than twice the number of 25¢ was the number of P5.00 coins. These coins were valued at P129.25. how many coins of each type were there?
Answer provided by our tutors
We assume:
P1.00 = 100¢
P5.00 = 500¢
Let
x = the number of 25¢ coins
y = the number of P5.00 coins
We have the following system of equations:
y = 2x - 9
25x + 500y = 12925
........
click here to see the system of equations solved for x and y
........
x = 17 25¢ coins
y = 25 P5.00 coins
There were 17 25¢ coins and 25 P5.00 coins.