# Circuits 5829

Hanka pulls the sled up the hill in 18 minutes. Going down the slope is nine times faster. How many minutes did she sled when she did four circuits?

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The line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

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