Question
Nora has 555 mochi balls and 81 mini cupcakes. Riordan has thrice as many mochi balls and mini cupcakes as Nora. How many mochi balls and mini cupcakes does Riordan have respectively?
2 m
(a)

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(b)

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Nora has 555 mochi balls and 81 mini cupcakes. Riordan has thrice as many mochi balls and mini cupcakes as Nora. How many mochi balls and mini cupcakes does Riordan have respectively?