Question

Answer this question please​

Answer 1

Answer:

let total area of wall be 1

blue = 1/3

green = 2/7

blue + green = 1/3 + 2/7

                     => 10/21

yellow = 1 - (blue+green)

          => 1 - 10/21

         =>21-10/21

YELLOW = 11/21

Answer 2

Answer:

(d) 8/21

Step-by-step explanation:

painted blue : 1/3

painted green: 2/7

painted yellow: x

therefore,

1/3 + 2/7 + x = 1

x = 1 - 13/21

x = 8/21