Achef makes 1 and one half gallons of soup in a large pot. how many 1-cup servings can the chef get from this large pot of soup

What is the value of y? round to the nearest tenth

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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.