Can someone pls help me on this

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read