Solve the problem.
-Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 28 coins with a total face value of $5.00, how many of the coins are nickels?
A) 23 nickels
B) 10 nickels
C) 12 nickels
D) 18 nickels

Question

Quizplus · Accepted Answer

Let the number of nickels be $n$ and the number of quarters be $q$. We have two equations: $n + q = 28$ (total coins) and $0.05n + 0.25q = 5.00$ (total value). Solving these equations simultaneously, we find $n = 10$ and $q = 18$, so there are 10 nickels.

Solve the Problem. -Mrs. Boyd Has a Desk Full of Quarters and Nickels