Question

The ratio of green pepper plants to red pepper plants in Adeline's garden is 3 to 5. If there are 20 red pepper plants, how many green pepper plants are there?

Answer 1

3:5
n:20
12=n
because if your ratio is 3:5 for green to red and there are 20 red peppers then you must have 12 green ones

Answer 2

3:5
?:20
divide 20 by 5 and you get 4
multiply 3 by 4 and you get 12
so the answer is there are 12 green and 20 red
12:20