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Mary has $2.15 in change consisting of 11 or more dimes than nickels. Find the number of dimes and nickels. How do I set this equation up? 
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Alex912

by Alex912 at March 28, 2011

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since Mary has 11 or more dimes than nickels lets say she only has 1 nickel. since she only has 1 nickel, she has 21 dimes. This does not require an equation
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John_Doe John_Doe March 28, 2011

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if you want the equation let x be the number of nickels. Then the number of dimes yis>or =to x+11 the 2nd equation is 5x+10y=215
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chitra003 chitra003 March 28, 2011

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Use x as the variable for the number of dimes and u should be able to solve it with the following equation:$2.15=x+(x+11)
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JerrySoBlue JerrySoBlue March 28, 2011

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when will this come in handy later in life?
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...sydnie... ...sydnie... March 29, 2011

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