Abdul is ordering an ice cream dessert. He must order a size and a flavor of ice cream. There are 4 sizes and 3 flavors to choose from. How many differentice cream desserts could he order?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.