Question

The thickness of a science book is 20 mm and that of a mathematics book is
28 mm. Books of each type are stacked up in a separate pile.
Find the minimum height of each pile such that both piles are of same
height.​

Answer 1

Answer:

gregegerergregregregerger

Step-by-step explanation:

ggergergergregreer

Answer 2

Answer:

140mm

Step-by-step explanation:

LCM of 20 and 28 is 140

so,the answer is 140mm