If the ratio of the length to the breadth of a rectangle be 5:3 and its perimeter is 144m find the length of the rectangle

length=45 m (2 sides = 90m)

Step-by-step explanation:

5x + 3x=144

8x=144

x=18 (each of the 8 parts of 144 measure 18m)

5 (18) + 3 (18) = 144

90 + 54=144

90/2=45 (1 length side)

54/2=27 (1 width side)

The rectangle = 45+45 + 27+27 = 144