C causw it is used to be a difrent cuase it just is
D because when you distribute the 5 into both numbers your product becomes 45x + 10
Of means multiplication. So the question is 1/3 X 1 1/2. First make 1 1/2 improper: 3/2. Then multiply the numerators (top numbers) and denominaters (bottom numbers): 1x3=3, 3x2=6, =3/6. Now simplify 3/6=1/2. Then multiply that by 2, since he used 2 pieces: 1/2x2=1. John used 1 meter :)
It’s rent because variables are related to the sales volume of your business
