Question

A map has different countries shaded in Red,blue and green.3/7th of the map is red and1/7thof the map is green.what fraction of map is blue.

Answer 1

Answer:

Fraction of map which is red = 3/7

Fraction of map which is green = 1/7

Fraction of map which is blue = 1/1 - [3/7+1/7].

= 1/1 - 4/7

= 3/7