Respuesta :

First question is 1:2
Second question is 12
s1m1

Answer:

1:2 and 12

Step-by-step explanation:

2: 4 is equivalent with anothher ratio if you did the exact same multiplication and division to both terms

you have

1 : 2 from 2/2 : 4/2 so in good

7 : 8 is no good

4: 2  is no good

6: 10 is no good

3 olive oil : 1 vinegar

x olive oil : 4 vineger ( we multiply both by 4)

3*4 olive oil : 1*4  vinegar

12 olive oil : 4 vinegar