SOLUTION: A car travels for a total of 10 hours. The car averages 60 mph for x hours and averages 70 mph for the rest of the time. Express the total distance traveled by the car in terms of
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Question 902543: A car travels for a total of 10 hours. The car averages 60 mph for x hours and averages 70 mph for the rest of the time. Express the total distance traveled by the car in terms of x.
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
_______________speed_______time______distance
_______________60___________x_________d
_______________70__________(___)______d
TOTAL______________________10________2d
Calculate the missing time.
_______________speed_______time______distance
_______________60___________x_________60x
_______________70__________10-x______70(10-x)
TOTAL______________________10________d
The equation to find from the tabulated information is
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