You can put this solution on YOUR website! ---
x = 300/5
y = 600/10
x + y = (z/25)/2
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put the system of linear equations into standard form
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x = 60
y = 60
x + y - (1/50)z = 0
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x = 60
y = 60
x + y - 0.02z = 0
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answer:
x= nickels = 60
y= dimes = 60
z= quarters = 6000
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