The length of a rectangle is four times the width. the perimeter of the rectangle is 45 inches. write a system of equations that represents this problem. what is the area of the rectangle?

we can write the system of equations of l = 4w and 2l +2w = 45 where l is length and w is width

we know that l = 4w so we can plug in 4w for l

2(4w) + 2w =45

8w+2w=45

10w=45

/10 /10

w= 4.5

now we have the width so we plug in 3.5 for w in the equation l =4w

l = 4(4.5)

l = 18

the area would be 18 * 4.5 = 81

the area is 81 sq inches

idk bring the function back   im not smart

step-by-step explanation:

7

step-by-step explanation: