SOLUTION: A mechanic requires 2 h to repair a trasmission. Whearas an apprentice requires 6 h to make the same repairs. The mechanic worked alone for 1 h and then stopped. How long will it t

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A mechanic requires 2 h to repair a trasmission. Whearas an apprentice requires 6 h to make the same repairs. The mechanic worked alone for 1 h and then stopped. How long will it t      Log On


   

Question 83075This question is from textbook introductory algebra
: A mechanic requires 2 h to repair a trasmission. Whearas an apprentice requires 6 h to make the same repairs. The mechanic worked alone for 1 h and then stopped. How long will it take the apprentice, working alone, to complete the repairs? This question is from textbook introductory algebra

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
THE MECHANIC WORKS FOR 1 HOUR THEREFORE HE COMPLETES 1/2 OF THE JOB.
SEEING IT TAKES THE APPRENTICE 6 HOURS TO DO THE WHOLE JOB HE THEN ONLY NEEDS 1/2 OF 6 HOURS=3 HOURS BECAUSE 1/2 OF THE JOB IS ALREADY DON BY THE MECHANIC.
ANSWER: 3 HOURS FOR THE APPRENTICE TO COMPLETE THE JOB.