Question 379526: lea has 5 more 5 peso coins than 10 peso coins.the total number of coins she have 15.how much is her money. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! 10 peso coins = x
5 peso coins x+5
..
Total coins = 15
x+x+5 =15
2x+5=15
-5
2x=15-5
2x=10
/2
x=5
she has 5, 10 peso coins
so she has 10 , 5peso coins.
..
5*10+ 10*5 = 100 pesos.
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m.ananth@hotmail.ca
