louvin1234
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  • 22-12-2017
  • Mathematics
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Heeeeeelp me find part b with working out thanks

Heeeeeelp me find part b with working out thanks class=

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Аноним Аноним
  • 22-12-2017
a)
i) C(n)=42n
ii)C(n,x)=15n+0.25x

b)She plans to drive a total of 600 Km, therefore: x=600
Budget:  C(n)=42n
Deluxe:   C(n,x)=15n +0.25(600)=15n+150

Cost of Budget< Cost of Deluxe
42n<15n+150
42n-15n<150
27n<150
n<150/27
n<5.5      ⇒n<5

Answer:  The maximum number of days would be 5 days. 
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