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a coin collection of nickels and dimes amount to 0.90. there are 4 times as many nickkels as dimes how many coins of each kind are there

Respuesta :

Eagles213

Answer: 5

 

 


Step-by-step explanation:

 

5*((2*q)+7)) + 10*(2*q) + 25*q = 310  

10*q + 35 + 20*q + 25*q = 310  

55*q = 310 - 35

55*q = 275

q = 5


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