Respuesta :

amyrtil

Answer:

30

Step-by-step explanation:

6/10 of 20 is 12

 

7/14 of 12/15 is 1/2 of 4/5 which is 2/5

 

so you have to compute 12 ÷ 2/5 which is done as 12 times (5/2) which is 30.