Question: In a bag of 50 biscuits, 20 are wrapped in yellow plastics and 30 are wrapped in orange plastics.

1.) What is the ratio of biscuits wrapped in yellow plastics to biscuits wrapped in orange plastics?
2.) What is the ratio of biscuits wrapped in orange plastics to biscuits wrapped in yellow plastics?
3.) What is the ratio of biscuits wrapped in yellow plastics to the total number of biscuits?
4.) What is the ratio of biscuits wrapped in orange plastics to the total numbers of biscuits?​