In a school compost pit was dug as a part of the observatíon of the world Environmental Day. The length of the pit is 3 metres breadth 2 metres arid the depth is `21 / 2` metres. It was decided to spread the soil dug out from the pit in the newly built garden. The length of the garden is 15 metres and breadth is 3 metres. Inwhat height can the soil be spread in the garden.

Explanation

Volume of the soil dug out from the compost pit =3 xx 2 xx 2 (1)/(2)=15 cu.m`

`Area of the garden `=15 xx 3=45` sq.metre`
Șo, the height of the soil be spread in the garden `=15 .+45` metre `=(1)/(3)` metre