Question

Amaira has two cotton rolls of cotton fabric.one roll has 72 meters on it and other has 90 meters on it.she wants to cut the fabric to make as many equal length pieces as possible of the longest possible length.how long should each piece be?​

Answer 1

Answer:

factors of 72= 2,2,2,3,3

factors of 90= 2,3,3,5

common factors= 2,3,3

hence,

HCF=18

therefore,

longest possible length should each piece be is 18 meters