Question

I would really appreciate someone helping me with this one.

About 20,000 white and brown beans were mixed in a bag. You take out 400 beans randomly from the bag. Of these, 220 are brown and 180 are white. How many white beans should be in the bag from the beginning?

Answer 1

9,000

Explanation:

180÷400= 0.45

0.45×20,000= 9,000

Answer 2

9,000

Explanation:

180/400 × 20,000 = 9,000