The fastest pizza box folder can assemble 8 pizza boxes in 21 seconds. At this rate, how long would it take to assemble 20 pizza boxes?

Respuesta :

Answer:

52.5 seconds.

Step-by-step explanation:

21/8 is the ratio of how long it takes the person to assemble one box. which is 2.625 times that by the pizza boxes and you got the answer

617793

Answer:

10.5

Step-by-step explanation:

      21+21=42

      21/8=2.625

      2.625×4=10.5

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