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Ke$ha has 45 coins in her piggy bank. She has one fewer nickel than she has dimes, and one fewer quarter than three times the number of nickels. If Ke$ha has only nickels, dimes, and quarters, how many nickels does she have?

 Mar 7, 2020
 #1
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45 coins

 

n

d = n+1

q= 3n-1         summed = 45 coins

 

 

n      +    n+1      +    3n-1        = 45        solve for 'n'  the number of nickles

 Mar 7, 2020

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