angelita4you angelita4you
  • 18-02-2016
  • Mathematics
contestada

bob can draw 14 shapes in 7 minutes. How long does it take for bob to draw 28 shapes at the same rate?

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Аноним Аноним
  • 18-02-2016
14/7 = 28/y

since 14 x 2 = 28, 7 x 2 = y

7 x 2 = 14

so, Bob will take 14 minutes to draw 28 shapes
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Helu7 Helu7
  • 18-02-2016
if 14 shapes take 7 mins, let x be the time it takes to draw 28 shapes

7/14 = x/28

x = (7/14)(28)
   = 14 

Therefore, 28 shapes in 14 minutes. 
Answer Link

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