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Home > AC > Chapter 8 > Lesson 8.3.3 > Problem 8-116

8-116.

Write and solve an equation (or system of equations) for the situation described below. Define your variable(s) and write your solution as a sentence.

Daria has coins that are all nickels and quarters. The number of nickels is more than twice the number of quarters. If she has in all, how many nickels does Daria have?

Define your variables.

# of nickels
# of quarters

Use the information in the problem to set up a system of equations.

Substitute in for .

Solve for .

Substitute into one of the original equations for .