Kai can paint a fence by himself in 8 hours

MATHEMATICS · Subjective · CBSE · Mathematics · Proportional Reasoning-2 · Proportional Reasoning-2

Problem

Kai can paint a fence by himself in 8 hours. Mia can paint the same fence by herself in 12 hours. If they work together at their individual rates, how many hours will it take them to paint the fence?

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