Respuesta :

Amphitrite1040
6×2 ⇒ 12 
7×2⇒ 14
= 12 : 14

6×3⇒ 18 
7×3⇒ 21
=18:21

Lastly, the equivalent ratio of 6 and 7 (aka 6:7) is
↓↓↓↓
12:14 & 18:21
SpaceeQueenn
the equivalent ratio of 6-7 is 12:14

to figure out the equivalent ratios you multiply whatever the numbers are by two.

example 7-9 is equivalent to 14:18 make sense? 

hope this helped