Bill is the gatekeeper of the factory, daily 7:00 time to go home, go home last Friday, Bill early, and very angry, his wife asked him why, he said bus ticket down to 60 cents from 70 cents, on his walk work, the original can save $ 1.4, now less by 20 cents.
Bill is the factory gatekeeper, go home on time every day 7 points, last week five Bill home very early, but very angry, his wife asked him why, he said the bus ticket from 70 cents to 60 cents, you walk to work, it can save 1.4 dollars, less nowsaved 20 cents.