I need help with this answer

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

27 is what percent of 108? 27 is % of 108

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?