Painter a Can Paint a House in 12 Hours, Painter $1 \frac { 1 } { 2 }$

question 142

Essay

Painter A can paint a house in 12 hours, Painter B can paint the same house in 8 hours, and Painter C can paint the house in 10 hours. How many hours will it take to paint the house if Painter A has to leave after working $1 \frac { 1 } { 2 }$ hours and Painter C arrives 4 hours after Painter A and Painter B start the job.

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Definitions:

United Kingdom

A sovereign country located off the northwestern coast of mainland Europe, comprising England, Scotland, Wales, and Northern Ireland.

Triarchic Theory

A model of intelligence proposed by Robert Sternberg, consisting of analytical, creative, and practical components.

Analytical Intelligence

Part of Sternberg's Triarchic Theory of Intelligence, it involves the ability to analyze, evaluate, judge, compare, and contrast.

Creative Intelligence

The capacity to solve novel problems and come up with original and appropriate solutions.