Question

2:1 ratio of 21?
3:4 ratio of 85 ?
2:3 ratio of 16?

Answer 1

Answer:

1. 2:1 = 21:2

2. 3:4 = 85:340/3

3.. 2:3 = 16:24

Step-by-step explanation:

use formula x1/y1 = x2/y2

thanks:)

Answer 2

Answer:

2:1

=2x+1x

here,

2x+1x=21

3x=21

x=21/3

therefore,x=7

so,

2x=2 x 7=14

1x= 1 x 7=7

=14:7

similarly;-

2:3 of 16

=6.4 : 9.6