Respuesta :

sebastiandiaz2008sad

Answer:

6:8 and 9:12

Step-by-step explanation:

Just multiply a number to both of the numbers in the ratio to get an equivalent ratio

3:4

3 x 2 = 6       4 x 2 = 8      3 x 3 = 9        4 x 3 = 12

9:12

6:8