What is the value of x ?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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?

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.