Respuesta :

Answer:

Step-by-step explanation:

see how many red cards there are to blue cards.

You see that there are 12 red cards and 20 blue cards.

then you put it in ratio form.

12:20

in word form its” for every 12 red cards there are 20 blue cards.”

Answer:

3:5

Step-by-step explanation:

For every 12 red  cards, Bob has 20 green cards

Ratio 12:20

Simplified (divide each by 4)

Ratio  3:5

For every 3 red  cards, Bob has 5 green cards