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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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โˆ™ 2010-05-13 23:06:01
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Q: 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?
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