mlomeli75091 mlomeli75091

05-12-2020
Mathematics

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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. *

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hgacjsjs hgacjsjs

05-12-2020

Answer:

There would be 190 red marbles and 10 black marbles.

Step-by-step explanation:

You have to 19x10=190+10=200

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jayantpandey117 jayantpandey117

05-12-2020

Answer:

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

Answer Link

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