elias26 elias26

23-08-2022
Mathematics

contestada

Someone help me on this

Colleen has 12 coins in her pocket. The mix of quarters, nickels,
and dimes add up to two dollars, and she has three times as
many quarters as nickels.

a. Write a system of three linear equations in three variables
to represent this problem situation. Be sure to define your
variables.

b. How many of each coin does Colleen have in her pocket?
Solve this system using Gaussian elimination.

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