# A taxi firm charges 80 cents for each kilo metre travelled. a. Which of the following function machines represents the cost $C of travelling n kilometres? b. Explain why two other function machines are incorrect. c. Use the correct function machine to calculate the cost of taking the taxi for a 55 km journey. n - C n n x80

Chapter 24, 24.2 Exercises #4

A taxi firm charges 80 cents for each kilo metre travelled.

a. Which of the following function machines represents the cost $C of travelling n kilometres?

b. Explain why two other function machines are incorrect.

c. Use the correct function machine to calculate the cost of taking the taxi for a 55 km journey.

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## Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7

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**Authors:** Frankie Pimentel, Ric Pimentel, Terry Wall

**ISBN:** 9781398301948