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07-02-2020
Mathematics

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Mr. Benton is contemplating which chauffeured car service to take to the airport. The first costs $7 up front and $2 per kilometer. The second costs $19 plus $1 per kilometer. For a certain driving distance, the two companies charge the same total fare. What is the distance? What is the total fare?

Respuesta :

07-02-2020

Answer:

12 kilometers

$31 total fare

Step-by-step explanation:

7 + 2x company A

19 + x . Company B

set these equal and solve for x

x is number of kilometers

7 + 2x = 19 + x

2x = 12 + x

x = 12 kilometers

7 x 2 (12) = $31

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