SOLUTION: From his daily allowance, Eric has saved 74 coins made up of denominations of one peso and five peso . How many of each kind has he if the coins amount to 170 pesos?
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Question 325336: From his daily allowance, Eric has saved 74 coins made up of denominations of one peso and five peso . How many of each kind has he if the coins amount to 170 pesos?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let 1 peso be x
5 pesos will be 74-x
..
value of 1 peso coins + value of 5 peso coins = total value
x+5(74-x)= 170
x+370-5x=170
-4x=-200
x=50 1 peso coins
32 will be 5 peso coins
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