Respuesta :
Given:Joann has 3 green marbles 5 blue marbles and 9 yellow marbles.
The ratio is asking us to find the ratio of green and Blue marble.A ratio is a statement of how two numbers compare. It is a comparison of the size of one number to the size of another number.Ratios can be shown using the ":" to separate the numbers.Ratio of Green :Blue:Yellow =3:5:9
The ratio of green and Blue marbles =3:5.