Question

Dave found 16 coins on the sidewalk. They were made up of quarters and nickels. If Dave found $1.80, how many nickels were there?

Answer 1

5 quarters = 1.25 11 nickels = .55
1.80. 16 coins c:
So 11 nickels (:

Answer 2

Well you know there are 16 coins total and they are quarters and nickels so

q + n = 16

each quarter is worth .25 and each nickel worth .05 and this totals 1.80 so

.25q + .05n = 1.80

can you solve this system of equations?

Answer 3

i appriciate it!!! :)

Answer 4

Use a equation like he showed you for a similar question.