can someone please help me with this math problem and please explain how you got your answer

Answer:
Step-by-Step-Explanation
3 cups of cranberry juice originally
5 cups of seltzer originally
Goal = 40 cups
3 x 40
3 x 40 = 120
5x 40
5x 40 = 200
Therefore,
the answers are
120 cups of cranberry juice
and
200 cups of seltzer