Teddy uses 2.5 gallons of ice to fill 4 buckets. he needs to fill 30 buckets. how many gallons of ice will teddy need?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.