Amanda reads 15 pages of her 150 page book in 2 hours at this rate how long will it take her to read the entire book

Equation for the calculation double 2 and then add 5

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax