Question
Nora has thrice as many marbles as Aria. Aria has 17 more marbles than Tommy. They have 203 marbles altogether. How many more marbles does Nora have than Tommy?
4 m

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Nora has thrice as many marbles as Aria. Aria has 17 more marbles than Tommy. They have 203 marbles altogether. How many more marbles does Nora have than Tommy?