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Mr Merrill has 3 times as many nickels as dimes The coins have a total value of 1.50 How many of each coin does he have?
Jrs012012
We have 3 times as many nickles as dimes. Let X equal our number of dimes then 3X equals our number of nickles.
Now multiply these values by the value of the coins they represent.
So we get : 10(X) + 5(3X)=150 cents or $1.50
next : 10X + 15X = 150
25X = 150 Divide both sides of the equation by 25
X = 6 so we have six dimes = 60 cents
we have 3(X) nickels or 3(6) nickels or 18 nickels and 18 times 5 cents = 90 cents
60 cents in dimes plus 90 cents in nickels = $1.50
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