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Ognerok
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Homework Statement
Aggregate # of nickels and dimes = 20 coins. If the ratio between nickels and dimes is 2:3, what is cent value of 20-coin set?
Homework Equations
2x = 3y
The Attempt at a Solution
20 = nickels(x)+dimes(y); ratio = 2x:3y; 2x = 3y; y = 2x/3
20 = x + 2x/3; x = 12 nickels; 6 dimes? ...confused from there.