Question

The length of three ribbons is in the ratio 4:3:5 If the length of the shortest ribbon is 12 cm,find the length of longest ribbon.

Answer 1

Let the lengths be 4x, 3x and 5x

then

Shortest ribbon length = 3x

3x = 12(given)

x=12/3

x= 4

So Length of longest ribbon is 5x=5(4) =20cm