Mathematics, 03.03.2021 07:10, leo4687

A girl 5 ft tall is walking away from a lamp post that is 12 ft high. If the girl is walking at a speed 7ft/s, how fast is the tip of her shadow moving when she is 10 ft from the lamp post?

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A girl 5 ft tall is walking away from a lamp post that is 12 ft high. If the girl is walking at a sp...