Answer:
Answer 2 is right.
Explanation:
Given that Lisa purchased groceries worth $34 for a party.
A gallon of milk costs $2.50
No of gallons bought - 4
Cost of milk =

a gallon of ice cream costs $7.50
Cost of ice creams =

, and a gallon of lemonade costs $3.00
Let lemonade purchased be x
Then total cost =

This equals 34

No of gallons of lemonade purchased =3
Answer 2 is right