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A machine can fill a box with twenty pencils in 30 seconds. How many boxes can the machine fill in 2 hours? A) 2 boxes B) 120 boxes C) 240 boxes D) 2400 boxes

Respuesta :

Answer:

20 : 30

x : 7200

∴(20*7200)/30=4800

Step-by-step explanation:

20 pencils is to 30 seconds so x is to 7200(2 hours is seconds) then cross multiply and lastly divide 144000 by 30 to get the answer

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