40-35(or division) and then you put your answer there. For number 2 you need to multiply 35x35(for Ray) and 40x32(for Ella) the you get your answer and then you subtract the answers
40-35(or division) and then you put your answer there. For number 2 you need to multiply 35x35(for Ray) and 40x32(for Ella) the you get your answer and then you subtract the answers