Question

maths question no.21 pls answer​

Answer 1

Answer:

Step-by-step explanation:

40%x=2/3y

40/100x=2/3y

2/5x=2/3y

x/5=y/3

x/y=5/3

x:y=5:3

Answer 2

let the two no. be x and y

40% of x = (2/3)y

40x/100 = 2y/3

4x/10 = 2y/3

12x = 20y

x/y = 20/12 = 5/3

x:y = 5:3