Noah discovered that a 16​-in.-diameter pizza costs ​$15.00. A 10​-in.-diameter pizza costs ​$11.00. The 10​-in.-diameter pizza is cut into six slices. The 16​-in.-diameter pizza is cut into eight slices. Use 3.14 for pi.

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Part 1
​(a) What is the cost per slice of the 16​-in.-diameter ​pizza?
​$
  
1.88 ​(Type a whole number or a decimal rounded to the nearest hundredth as​ needed.)
Part 2
How many square inches of pizza are in one​ slice?
  
25.12 in. squared
​(Type a whole number or a decimal rounded to the nearest hundredth as​ needed.)
Part 3
​(b) What is the cost per slice of the 10​-in.-diameter ​pizza?
​$
  
1.83 ​(Type a whole number or a decimal rounded to the nearest hundredth as​ needed.)
Part 4
How many square inches of pizza are in one​ slice?
  
enter your response here in. squared
​(Type a whole number or a decimal rounded to the nearest hundredth as​ needed.)

78.54 in. squared