Jake is offered a job at $800 for 4 days of work. He is offered another job that pays $950 for 5 days of work. Jake wants to know which job he should pick.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?