b.)100 concert tickets were sold for a jazz festival.Tickets cost $25 forcovered seats and $15 for lawn seats. Total receipts were $2,330.How many of each type of ticket were sold?Equation 1:Equation 2:(Show work:Number of tickets sold for covered:Number of tickets sold for lawn seats:(

A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 7 slices of pizza and 4 soft drinks for $29.97. The second group bought 6 slices of pizza and 5 soft drinks for $28.03. How much does one slice of pizza cost? Show calculations including variable definitions, equations, method used to solve, and final answer. (9 points)