A curtain manufacturer uses a 90-yard roll of material to make 7 identical curtains. There was 7.75 yards of material left over .How many yards were needed for each curtain?

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are

step-by-step explanation:

if x = 2 you have to find x to finish the problem

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3