Respuesta :

Answer:

63

Step-by-step explanation:

21 x 3 = 63 which is your answer

Answer:

Katy made 63 cupcakes total

Step-by-step explanation:

21 x 3 = 63

this is because if maria has 21 and Katy has 3 x the number of Maria's cupcakes, Katy would have 63 cupcakes.

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