CPM Homework Banner

Home > GC > Chapter 9 > Lesson 9.2.3 > Problem 9-82

9-82.

Sylvia has coins, all nickels and quarters. If the value of the coins is , how many of each type of coin does she have? Explain your method.

Write a system of equations where represents number of nickels and is number of quarters.

Use the substitution method explained in the Math Notes box in Lesson 2.1.3 to solve for .