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A bag contains 40 red and green marbles. The number of green marbles, g, is 9 times the number of red marbles, r.

How many red marbles are in the bag?
ОО
34
O 36
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1 Answer

6 votes

Answer:

4

Explanation:

40 = r+g

g=9r

40=r+9r

40=10r

r=4

User Callie
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