2L + 2W = 3.5 L
L - W = 2.5
1.5L - 2W = 0
L = (4/3) W
W/3 = 2.5 cm
W = 7.5 cm
L = 10 cm
the perimeter of a rectangle is 3.5 times the legth. the width is 2.5cm less than the legth. what is the width?
1 answer
1 answer