Money Problems( Week 35 Practice)
1. Andy has $250 in his wallet. The money consists only of $5 and $10 bills. If the number of $5 bill is 3 times the number of $10 bills, how many $5 bills are there in his wallet? 2. 7n is n 7s multiplied together. What is the end digit of 7171? 3. Larry has a total of 10 coins that consists nickels and quarters with a total value of $1.30. How many of them are nickels? 4. A dollar bill was exchanged for 8 coins consisting of nickels and quarters. How many nickels were there in the change? 5. A pile of 100 coins consists of quarters and dimes. If the value of the pile is $15.25, how many dimes are there?