A 5000-seat theater has tickets for sale at $27 and $40. How many tickets should be sold at each price for a sellout performance to generate a total revenue of $153,200? The number of tickets for sale at $27 should be The number of tickets for sale at $40 should be

A salesperson receives a weekly salary of ​$400. In​ addition, ​$15 is paid for every item sold in excess of 200 items. How much extra is received from the sale of 219 ​items?

an artist invests in a mutual fund account paying 8% and $8000 more than three times as much in a mutual fund account paying 6%. her total annual interest income from the investments is $1520. how much does she invest at each rate?

The admission fee at an amusement park is $2.50 for children and $7.20 for adults. On a certain day, 329 people entered the park, and the admission fees collected totaled $1692. How many children and how many adults were admitted?number of children equals  number of adults equals