Solve the area of this parallel gram

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

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

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.