Pls help me understand

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

If i have one apple and give you the apple, how many apples do i have?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.