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14-04-2024
Mathematics

Answered

A student leaves home which is 2 km from the nearest point to the main road (very long driveway). She wants to walk to school which is 4km along the main road (which is straight). To get to the school she can cut across her property through the fields at 2km/h. Once she reaches the main road she can speed up to 4km/h. Determine where she would reach the main road to make it to school in the shortest time possible.

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