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Distance travelled

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A car travels along a straight road, heading West for 3 hours, and then travels NE on another road for 2 hours. If the car has maintained a constant speed of 55 mi/hr, how far is it from its starting point?

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Solution Summary

The solution calculates the distance travelled.

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If we take the East as positive x direction and North as the positive direction

When the car travels West it is moving in the negative direction.
Distance traveled in the West direction (negative x direction) = 55 x 3 = ...

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