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  • 26-08-2016
  • Mathematics
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what does it mean for two ratios to form a proportion

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cucpoop cucpoop
  • 26-08-2016
ratio = 4 or 4/1 

4/10 = x/80

so 4x times (10 times 80)
  
=  

4x=800
divide both sides with 4 

x=200

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