How do you find a Pizza topping ingredient cost if the area = 150mm2. The topping costs 10pence per cm2?

May 9, 2010 by admin · 2 Comments
Filed under: Mathematics 
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Jayman asked:

I believe the answer is to convert the 150 mm2 to cm2 by 150 / 10 = 15 cm2 then 15 * 10pence p/cm2 is 150 pence cost of the ingredient to cover the Pizza . Is this correct?

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2 Responses to “How do you find a Pizza topping ingredient cost if the area = 150mm2. The topping costs 10pence per cm2?”
  1. Rajashekhar Shivaram Sharma says:

    150 mm^2 is 1.5 cm^2 (150/100) because 1 cm = 10mm and 1 cm^ = 10*10 = 100 mm^2. So the cost is 10*1.5 = 15 pence. You are off by 1 decimal point. Rajashekhar Shivaram Sharma

  2. rawwrjem says:

    It will be 15p because there are 100mm in 1cm. So 10 pence to 100 mm and 5 pence to the 50mm. Add them and you get 15p :) rawwrjem

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