A printer is printing photos. For every 12 photos, the printer takes 4 mins.
Complete the table below showing the number of photos and the time it takes to print them.
Photos: (_) (12) (21) (_) (30)
Minutes: (1) (4) (_) (9) (_)

Respuesta :

Answer:

Photos: 3, 12, 21, 27, 30

Minutes: 1, 4, 7, 9, 10

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