At the end of the day, the change machine at a laundrette contained at least $3.20 and
Chapter 4, Problem 101(choose chapter or problem)
At the end of the day, the change machine at a laundrette contained at least $3.20 and at most $5.45 in nickels, dimes, and quarters. There were 3 fewer dimes than twice the number of nickels and 2 more quarters than twice the number of nickels. What was the least possible number and the greatest possible number of nickels?
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