The coins in the store s cash register total $12.50. The cash register contains only nickels, dimes, and quarters. There are twice as many dimes as nickels. There are also twice as many quarters as dimes. How many quarters are in the cash register?

Question

Mathematics

Kristian Hunter

19 May, 02:53

The coins in the store s cash register total $12.50. The cash register contains only nickels, dimes, and quarters. There are twice as many dimes as nickels. There are also twice as many quarters as dimes. How many quarters are in the cash register?

+1

Answers (1)

Know the Answer?

Maximo Hatfield · Answer 1

Nickels is 0,05 of dolar - n

dimes is 0,1 o dolar - d

quarters is 0,25 of dolar - q

dimes = 2nickels

d=2n

quarters=2dimes

q=2d=4n

12,5=n (0,05) + 2n (0,1) + 4n (0,25)

12,5=0,05n+0,2n+n

12,5=1,25n

n=10

q=4n=40

There are 40 quarters