Pizza shops make pizza of same thickess and diff diamester. Cost of 8cm is 80, 12
cm is 240, 24 cm is 720. Which pizza gives best value for money?

• cost of 8cm is 80
  =>cost of 1 cm is (80/8)=10
  cost of 12 cm is 240
  =>cost of 1 cm is (240/12)=20
  cost of 24 cm is 720
  =>cost of 1 cm is (720/24)=30
  so the pizza of 8cm will give best value for money.
• 11 years agoHelpfull: Yes(18) No(4)
• pizza cost 80 and pizza cost 720 gives equal and best value for money
  
  let the thickness be 1
  
  then volume of pizza of diameter 8cm = 16pie =80
  therefore cost of 1 cm³ = 80/16pie = 5/pie
  
  similarly cost 1cm³ of pizza having diameter 12 cm = 240/36pie=6.66/pie
  
  similarly cost of 1 cm³ of pizza having diameter 24 cm =720/144pie = 5/pie
  
  least cost for 1cm³ of pizza is for pizza having diameter 8cm,24cm
  
• 11 years agoHelpfull: Yes(7) No(2)
• cost of 8cm is 80
  ie cost of Pie*8*8 cm^2 is 80
  =>cost of 1cm^2=5/4*pie=15/(12*pie)
  cost of 12 cm is 240
  ie cost of pie*12*12 cm^2=240
  =>1 cm^2=20/(12*pie)
  similarly cost of pie*24*24 cm^2=720
  =>1 cm^2=15/12*pie
  
  so both 8 and 24cm gives best value for money
• 11 years agoHelpfull: Yes(5) No(1)