1. It takes 4 hours for a man to do the job and 6 hours for a woman to do it. How long will it take for the two of them working together? a) 1 hour and 24 minutes b) 1 hours and 30 minutes c) 2 hours and 30minutes d) 2 hours and 24 minutes

1. It takes 4 hours for a man to do the job and 6 hours for a woman to do it. How long will it take for the two of them working together? a) 1 hour and 24 minutes b) 1 hours and 30 minutes c) 2 hours and 30minutes d) 2 hours and 24 minutes

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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1. It takes 4 hours for a man to do the job and 6 hours for a woman to do it. How long will it take for the two of them working together?
a) 1 hour and 24 minutes
b) 1 hours and 30 minutes
c) 2 hours and 30minutes
d) 2 hours and 24 minutes

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