William has $12.80 in coins to be deposited in the bank. there are 3 times as many quarters as nickels and 20 more dimes than nickels. if n represents the number of nickels, what equation could be used to find the number of nickels to be deposited.

Let the number of nickels be = n

Let the number of dimes be = d

Let the number of quarter be = q

Total money William has = $12.80

As given, there are 3 times as many quarters as nickels

And 20 more dimes than nickels

As total money is $12.80

Putting the values of 'q' and 'd' to find 'n'

Hence the number of nickels are = 12

If you want to also find dime and quarter, then

step-by-step explanation:

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09