Question

A box contains 500 marbles. The result of 20 marbles pulled at random from the box is given below. • 5 red marbles • 6 blue marbles • 3 green marbles • 4 black marbles • 2 yellow marbles Based on this information, how many black marbles could be expected in the box?

A) 80
B) 100
C) 110
D) 120

Answer 1

B) 100

Explanation:

I got it correct on USATP

Hope this helps!

From: Aug1e

Answer 2

the answer is 100 because if you do 500 divide by 20 you will get 25 and 25 multiplied by four is 100 so that's what makes the answer 100