Question

how do i express each rule as an equation using single letters to stand for the variables and how do identify what each letter represents

Answer 1

the amount of material needed to make the curtains is four square yards per window

Answer 2

first we declare the variables, that is to say we give each a name

Answer 3

y = material needed ( expresed in square yards)
x = number of windows

then we establish the equation: y = 4x

Answer 4

well it was a pleasure to help you

Answer 5

Thank u so very much I will be asking for more help