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Mathematics 18 Online
OpenStudy (anonymous):

In a change jar, Tom has nickels and dimes. The number of nickels is two times the number of dimes and the total amount of money in the jar is $1.20. How many dimes are in the jar?

OpenStudy (anonymous):

You need to set up two equations then solve by either elimination or substitution. Any idea on waht the two equations will look like?

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