Mathematics, 17.07.2019 05:30 von1144
Afamily takes 2 1/2 hours to drive from their house to a lake at 48 mi/h. the travel time varies inversely with the speed of the car. how long will the return trip take at 40 mi/h?
Answers: 1
. We have y = 2.5 at an x of 48, so we will fill in and solve for k. 
. Multiply 2.5 times 48 to get that k = 120. Now we will use that k and a new x of 40 to find a new y, time. 
and y = 3. That means it will take 3 hours to travel the distance at 40 miles per hour, which of course takes longer because you're going slower.
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Afamily takes 2 1/2 hours to drive from their house to a lake at 48 mi/h. the travel time varies inv...
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