lolface620
contestada

ace car rental rents cars for x dollars per day plus y dollars for each mile driven carlos renteda car for a 4 days drove 100 miles and spent 120 dollars Vanessa rented a car for one day drove it 240 and spent 80 dollars

Respuesta :

Since3122015
[tex]T=xd+ym\\x(4)+y(100)=(120)\\x(1)+y(240)=(80)\\\\4x+960y=320\\4x+100y=120\\860y=200\\y=\frac{200}{860}\\y=\frac{10}{43}\\\\x+240(\frac{10}{43})=80\\x+\frac{2400}{43}=\frac{3440}{43}\\x=\frac{1040}{43}[/tex]

x = 1040/43 = $24.19 per day.

y = 10/43 = $0.23 per mile.

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