a salesman sells a mixture of raisins and roasted nuts. Raisins sell for $4/ kg and nuts sell for $6/ kg. How many kilograms of each should be mixed to make 40 kg of this snack worth $4.75/kg

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