1. Pocket Change Allyson has five more dimes than quarters. The total amount of she has $3.30. How many of each coin does she have?

2. Mortgage Payments
The mortgage payments for Clarita's home are about $900 per month. She is going to refinance the loan, which will cost her about $2500 in fees, and the new payments will be $830 per month. How long will it take her before the new loan starts saving her money?

3. Mailing Cost
Charlene put postage worth $1.29 on a package she sent to her sister. She used only 16 cent stamps and 7 cent stamps. How many of each type of stamp did she use?

4. Ladies and Gentleman
There are nine men every ten women in a particular high school. There are 2,622 students at the school. How many women are there?

5. What are their ages?
Raymond's age plus the square of Alvin's age in 2240. Alvin's age plus the square of Raymond's age is 1008. How old are Raymond and Alvin?