A plumber and his assistant finished a job together in 4 hours. The job would have taken the plumber 6 hours if he was working alone .How long would the job have taken the assistant if he was working alone. Use Rational equation For Solving . with Solutions^_^
Using Rational Equation for solving.#GRADE 11 GEN. MATH^_^
Using Rational Equation for solving.#GRADE 11 GEN. MATH^_^
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Answer:
1/6 + 1/x = 1/4
(x + 6)/6x = 1/4
6x = 4(x + 6)
6x = 4x + 24
6x - 4x = 24
2x = 24
x = 12
The job would have taken the assistant 12 hours if he was working alone.