A 3500-seat theater sells tickets for $75 and $110. Each night the theater’s expenses total $245,000. When all 3500 seats sell, the owners want ticket revenues to cover expenses plus earn a profit of 25% of expenses. How many tickets of each price should be sold to achieve this?

A shoe store marks up the price of its shoes at 130% over cost. A pair of shoes goes on sale for 15% off and then on the clearance rack for an additional 35% off. A customer walks in with a 10% off coupon good on all clearance items and buys the shoes. Express the​ store's profits on these shoes as a percentage of the original cost.

Bob invests $14000, part at 6% per annum and the rest at 9% per annum. After one year, he had earned $1095 from his investments. How much did Bob invest at each rate?

Daniella's gross monthly earnings are based on commission rates of 4% on the first $40,000 of sales, 5% on the next $50,000, and 6% on all additional sales for the month.What is her sales total for a month in which she earns $5350? (Round your answer to the nearest cent.)  Total sales for the month =