Donovan has offers for two sales jobs. job a pays a base salary of $25,000 plus a 10% commission on sales. job b pays a base salary of $30,000 plus 8% commission on sales.
a. how much would donovan have to sell for the salary from job a to exceed the salary from job b?
b. if donovan routinely sells more than $500,000 in merchandise, which job would result in a higher salary?

Acarpool service has 2,000 daily riders. a one-way ticket costs $5.00. the service estimates that for each $1.00 increase to the one-way fare, 100 passengers will find other means of transportation. let x represent the number of $1.00 increases in ticket price. choose the inequality to represent the values of x that would allow the carpool service to have revenue of at least $12,000. then, use the inequality to select all the correct statements. the maximum profit the company can make is $4,125.00. the maximum profit the company can make is $15,625.00. the price of a one-way ticket that will maximize revenue is $12.50. the price of a one-way ticket that will maximize revenue is $7.50.