A bag contains 120 marbles. Some are red and the rest are black. There are 19 red marbles for every black marble. How many red marbles are in the bag? Explain your reasoning. *

There would be 190 red marbles and 10 black marbles.

Step-by-step explanation:

You have to 19x10=190+10=200

144 red balls

Step-by-step explanation:

ratio of red is to black is 19:1

let red ball be 19x and black ball be 1x

19x+1x=120

20x=120

x=6

substituting value of x in red ball

its 8

step-by-step explanation:

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (