Rainbowcloudycupcake
Rainbowcloudycupcake Rainbowcloudycupcake
  • 22-12-2015
  • Mathematics
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what is 80% of 400? show work

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Аноним Аноним
  • 22-12-2015
80% of 400

We can set up a proportion because it makes things more clear. 

First, we need to assume that 400 is our '100'. Usually, 100 is our total value. 

400/x=100/80
(400/x)*x=(100/80)*x       
400=1.25x        
400/1.25=x 
320=x 
x=320

Our final answer: 320

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TSO
TSO TSO
  • 22-12-2015
of in mathematics means multiplication

80% = 80/100 = 0.8

[tex]0.8 \times 400 = \boxed{320}[/tex]

80% of 400 is 320.
Answer Link

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