Chocolate beans are packed in 250 g and 750 g packages. The numbers of 250 g packages and 750 g packages are in the ratio 1:2. If two of the 750g packages are repacked into 250 g packages, then the...

Teachers, please help ASAP.

Extracted text: Chocolate beans are packed in 250 g and 750 g packages. The numbers of 250 g packages and 750 g packages are in the ratio 1:2. If two of the 750g packages are repacked into 250 g packages, then the ratio becomes 5:3. Find (a) the original number of 250 g packages, b) the total mass of the chocolate beans.