Respuesta :

AL2006

Average speed = (total distance covered) / (time to cover the distance)

-- Traveling at 40 mph for 1 hour, the distance covered is 40 miles.

-- Traveling at 60 mph for 1 hour, the distance covered is 60 miles.

-- Total distance covered = (40 miles) + (60 miles) = 100 miles

-- Total time = (1 hour) + (1 hour)  =  2 hours

-- Average speed = (100 miles) / (2 hours)

Average speed = 50 miles per hour

The average speed of the car is 50 mph

From the question,

We are to determine the average speed of the car.

Average speed can be calculated using the formula

[tex]Average \ speed = \frac{Speed \ 1+ Speed \ 2 }{2}[/tex]

From the given information,

Speed 1 = 40 mph

Speed 2 = 60 mph

Putting the parameters into the formula,

We get

[tex]Average\ speed = \frac{40 + 60}{2}[/tex]

[tex]Average\ speed = \frac{100}{2}[/tex]

Average speed = 50 mph

Hence, the average speed of the car is 50 mph

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