Math, asked by gohilusha11, 10 months ago

a pizzeria serves two round pizza of the same thickness in different sizes.the smaller one has a diameter of 30 cm and costs 30 Zed's. the larger one has a diameter of 40 cm and costs 40 zeds.​

Answers

Answered by amitnrw
20

Large size pizaa is  better value for money

Step-by-step explanation:

Question is Which pizza is better value for money

Smaller One diameter = 30 cm

Radius = 30/2 = 15 cm

thickness = h  cm

Volume = π R² h

= π 15² h

Larger One diameter = 40 cm

Radius = 40/2 = 20 cm

thickness = h  cm

Volume = π R² h

= π 30² h

=  π (2 * 15)² h

= 2² *  π 15² h

= 4  π 15² h

Volume of  Larger One  = 4 Times Volume of Smaller One

=> Volume of  Larger One/Volume of Smaller One  = 4/1

Cost of Larger one = 40 Zed

Cost of Smaller one = 30 Zed

=>Cost of Larger one/Cost of Smaller one = 40/30

=> Cost of Larger one/Cost of Smaller one = 4/3

4/1  > 4/3

Volume ratio of larger > Cost Ratio

=> Large size pizaa is  better value for money

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