Question

and
2. If the ratio of the land region and the water region of the earth be 1 : 3 and that in the
Northern Hemisphere of the earth be 2 : 5, then find the ratio of the land region and the water region
in the Southern Hemisphere.
of Mariceling tea nf price x per kg be mixed with n kg of Assam tea of price​

Answer 1

ok.

..............

I don't know