The perimeter of a rectangle is 140 ya minus the width. the length of the rectangle is twice the width. find length and width

The length is 70 because 140/2=70. The width is 35 because w is half of 70.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it