Kim is planting a border in her garden in Trail, BC. She plants 5 yellow daisies for every 3 red petunias. The ratio of daisies to petunias is 5 : 3.

How many petunias would Kim plant for each number of daisies?
• 10 daisies • 15 daisies • 20 daisies

In each case, what is the ratio of daisies to petunias?