Question 482220
Jason has 50 coins, all in 5 and 1 peso coins, amounting to Php 130.00. How many 5 peso coin does he have?
<pre>

Let x = number of 5 peso coins
Then 50-x = number of 1 peso coins

5x + 1(50-x) = 130

 5x + 50 - x = 130
     
     4x + 50 = 130

          4x = 80

           x = 20

He has 20 5-peso coins

and

 50-x = 

50-20 = 

30 1-peso coins

Edwin</pre>