Money Problems( Week 35 Practice)
1. John has $320 in his wallet. The money consists only of $5 and $10 bills. If the number of $5 bill is twice 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 7123? 3. Curtis has a total of 17 coins that consists nickels and quarters with a total value of $2.85. How many of them are nickels? 4. A dollar bill was exchanged for 20 coins consisting of nickels and quarters. How many nickels were there in the change? 5. A pile of 102 coins consists of quarters and dimes. If the value of the pile is $19.95, how many dimes are there?