Question

pls answer it . tommorow is my maths exam. plllllllllsssssssssss.

Answer 1

people who knows English are 66.667percent and people who knows both are 29.167percent

Answer 2

$= > \frac{800}{1200} \times 100$

$= > \frac{200}{3}$

$= > 66.67$

i.e. 66.67%

$= > \frac{350}{1200} \times 100$

$= > \frac{175}{6}$

$= > 29.16$

i.e. 29.16%

Hope this answer helps you ^_^ !