How many ml of cranberry juice is required to prepare a 50 ml 8% cranberry solution using a 20% cranberry stock solution.?

20 ml of cranberry juice is required to prepare 50 ml 8% cranberry solution using 20% solution.

Step-by-step explanation:

Since we have given that

Amount of cranberry juice he has  = 50 ml

Percent of cranberry solution in the juice = 8%.

If he has 20% of cranberry stock solution.

Let x mil of cranberry juice will be required.

According to question,

Hence, 20 ml of cranberry juice is required to prepare 50 ml 8% cranberry solution using 20% solution.