Respuesta :

3 1/5 x 7 1/4


= (15/5  + 1/5)   x  (28/4  + 1/4)

= 16/5 x 29/4


= (29x16) / (5x4)

= 464/20

= 116/5

= 20 16/5

Answer:

21 1/20

Step-by-step explanation:

3 x 7 is 21, 1/4 x 1/5 is 1/20.

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