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In a box there are n red marbles and three times as many black marbles. There are 36 marbles in the box. How many red marbles are in the box?
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In a box there are n red marbles and three times as many black marbles. There are 36

marbles in the box. How many red marbles are in the box?

User Jaccar
by
4.5k points

1 Answer

2 votes

Answer:

it is 12

Explanation:

for n= 36 divided by 3.

User Bompf
by
4.8k points
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