Sagot :
John said, "I have 90 marbles in my collection: 24 are purple, 18 are red, 30 are brown, and the rest are yellow." How many yellow marbles does he have in his collection?
Solution:
- 24 + 18 + 30 = 72
- 90 - 72 = 18
- John has 18 yellow marbles in his collection.
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