Question

Susan has a collection of 65 nickels and dimes. If the number of nickels is four times the number of dimes, how many nickels and how many dimes does she

have?

Answer 1

d = 13 and n = 52

Explanation:

Number of dimes: d

Number of nickels: n

Then d + n = 65, and n = 4d

Substituting 4d for n in the first equation, we get:

d + 4d = 65, or 5d = 65. Then d = 13 and n = 52