SOLUTION: for a particular car assume the range of 50 to 90km/hr fuel consumption will be directly proportional to the speed of the car. the car consumes 6lit/hr when travelling 75km/hr. on

Question 824369: for a particular car assume the range of 50 to 90km/hr fuel consumption will be directly proportional to the speed of the car. the car consumes 6lit/hr when travelling 75km/hr. on sunday the car travelled at 6 days during the trip and 90 km/hr during return trip. if the total fuel consumption in the round trip was 20 liters.what is the distance between cities.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
"the car consumes 6lit/hr when travelling 75km/hr."
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Let r= speed and E = fuel consumption rate.
;

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Putting the given value and computing,

Your question description is unfortunately confusing. My attempt to help is just this:
90 km/hr means, in liters per hour.
liters per hour.
You say, 20 L were used for the roundtrip, so hours of roundtrip travel time.

I have no idea what the 6 days and the Sunday information means. You need to clean or clarify your problem description and maybe recheck what question you want to ask.
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