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Let x and y be the number of 5c and 10c coins respectively. Use the fact that the total amount of coins are worth $3.80 to set up Equation 2. Write the equation in the form ax+by=c, where a is positive.
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Let x and y be the number of 5c and 10c coins respectively. Use the fact that the total amount of coins are worth $3.80 to set up Equation 2. Write the equation in the form ax+by=c, where a is positive.

User SteveLacy
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Answer:

5 cents

Explanation:

User Zwei
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