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Home > GC > Chapter 9 > Lesson 9.2.3 > Problem 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  or . Isolate  or  in the equation .