the ratio of copper and zinc in brass is 13:7.how much zinc there will be in 100kg of brass?

• proportion of copper only =7/(7+13)
  proportion of copper in 100kg brass =100*(7/20)=35
• 9 years agoHelpfull: Yes(1) No(0)
• ratio of copper:zinc=13:7
  100kg of brass contain
  Zinc= (7/20)*100=35 kg
  Copper=(13/20)*100=65kg
• 9 years agoHelpfull: Yes(1) No(1)
• 100/(13+7)=5
  amt of zinc is 7*5=35
  ans : 35kg
• 9 years agoHelpfull: Yes(0) No(0)
• 7/(13+7)*100 = 35kg
• 9 years agoHelpfull: Yes(0) No(0)
• zinc 35 kg
• 9 years agoHelpfull: Yes(0) No(0)
• 100/(13+7)=5
  amt of zinc is 7*5=35
  ans : 35kg
  
• 9 years agoHelpfull: Yes(0) No(0)