Idon't know how to solve this problem. my teacher said there are different ways to solve this problem. but she was talking about a way where splitting the shapes into 2 of them. plz

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points