Lily has a bag of 30 marbles. 40% are red, 30% are green, and 30% are blue. How many marbles are green and red combined?

1 answer:

3 0

30% of the 30 marbles is nine and 9-30 = 21 so your answer is 21

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Lily has a bag of 30 marbles. 40% are red, 30% are green, and 30% are blue. How many marbles are green and red combined?​