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The total value of a collection of nickels and dimes is $3.05. If the number of nickels is 19 greater than the number of dimes. Which equation determines how many coins there are of each kind?

Respuesta :

kragin21

Answer:  10d+5(d-19)=305

Step-by-step explanation:

let d = number of dimes; then,10d = the total value of the dimes

d + 19 = number of nickels; then, 5(d + 19) = the total value of the nickels

total value of dimes + total value of nickels = 305 cents

10d + 5(d + 19) = 305

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