Money Problems( Week 35 Practice)
1. Jay has $450 in his wallet. The money consists only of $5 and $10 bills. If the number of $5 bill is 4 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 7120? 3. Ed has a total of 15 coins that consists nickels and quarters with a total value of $2.75. How many of them are nickels? 4. A dollar bill was exchanged for 16 coins consisting of nickels and quarters. How many nickels were there in the change? 5. A pile of 94 coins consists of quarters and dimes. If the value of the pile is $22.45, how many dimes are there?