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 In my pocket I have dimes and nickels worth $1.55. In total I have 19 coins How many of each coin do I have? 

 Jan 18, 2021
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n = nickels                    value =   5n

d = dimes = 19-n          value = 10(19-n) 

                              values summed = 155

 

5n + 10 (19-n) = 155       solve for n , the number of nickels, then d = 19 - n

 Jan 18, 2021

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