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Kevin has $4.85 in nickels and dimes. If he has 34 fewer dimes then nickels,how many coins does he has altogether

 Apr 2, 2020

Best Answer 

 #1
avatar+28021 
+2

n = nickels                value =     5n

d = dimes = n-34      value  =    10(n-34)       summed = 485

 

5n      +   10(n-34)       = 485

5n       + 10n  - 340     = 485

               15n =  825

                    n = 55   nickels         55-34=21 dimes       21+ 55 = 76 coins total 

 Apr 2, 2020
 #1
avatar+28021 
+2
Best Answer

n = nickels                value =     5n

d = dimes = n-34      value  =    10(n-34)       summed = 485

 

5n      +   10(n-34)       = 485

5n       + 10n  - 340     = 485

               15n =  825

                    n = 55   nickels         55-34=21 dimes       21+ 55 = 76 coins total 

ElectricPavlov Apr 2, 2020

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