1. A concert manager counted 350 ticket receipts the day after a concert. The price for a student ticket was $12.50, and the price for an adult ticket was $16.00. The register confirms that $5,075 was taken in. How many student tickets and adult tickets were sold?
2. If an investor invests $23,000 into two bonds, one that pays 4% in simple interest and the other paying 2% simple interest, and the investor earns $710.00 annual interest, how much was invested in each account?
3. A store clerk sold 60 pairs of sneakers. The high-tops sold for $98.99, and the low-tops sold for $129.99. If the receipts for the two types of sales totaled $6,404.40, how many of each type of sneaker were sold?
4. At a family reunion, there were only blood relatives, consisting of children, parents, and grandparents, in attendance. There were 400 people in total. There were twice as many parents as grandparents and 50 more children than parents. How many children, parents, and grandparents were in attendance?

Could you please type out all work on the main page just in case

your handwriting is not transparent enough