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Question

Car company A charges $.29/mile and an $17 flat fee. Car company B charges $.39/mile and has a $8 flat fee. Write a function that shows the cost of renting from company A. Write a function that shows the cost of renting from company B. Which company offers a better deal for a 735 mile trip?

Answer 1

Car Company A:

C = 0.29x + 17

Car Company B:

C = 0.39x + 8

Let's solve for which company offers the better deal for a 735 mile trip:

Car Company A: C = 0.29 * 735 + 17 = $230.15

Car Company B: C = 0.39 * 735 + 8 = $294.65

Car Company A offers the better deal for a 735 mile trip.

Answer 2

Company A: R(x) = 0.29x + 17

Company B: R(x) = 0.39x + 8

Let x = 735 be the number of miles for a trip. Then we have

Company A: R(735) = 0.29(735) + 17 = 230.15

Company B: R(735) = 0.39(735) + 8 = 294.65

Company A offers a better deal because the cost per mile is cheaper despite of the flat fee.