SOLUTION: Ben has 20 coins. They are all quarters, dimes, or nickels. What is the greatest amount of money Ben could have if seven are nickels? What is the smallest amount if three are quart

Question 793682: Ben has 20 coins. They are all quarters, dimes, or nickels. What is the greatest amount of money Ben could have if seven are nickels? What is the smallest amount if three are quarters?
Answer by Edwin McCravy(20065) (Show Source): You can put this solution on YOUR website!
Ben has 20 coins. They are all quarters, dimes, or nickels.
What is the greatest amount of money Ben could have if seven are nickels?

Let the other 13 coins all be quarters.  
7 nickels and 13 quarters amounts to $3.60

What is the smallest amount if three are quarters?

Let the other 17 coins all be nickels.  
3 quarters and 17 nickels amounts to $1.60

Edwin

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