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How do you plan your time?. Created by Holden. The Train Ride. Tom wants to take the new train from Chicago to New York, a distance of 790 miles. Statement of Problem. The New train---. 790 miles. --- is 1.5 times faster than the old one that could travel at 120 mph.
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Created by Holden The Train Ride Tom wants to take the new train from Chicago to New York, a distance of 790 miles.
Statement of Problem The New train--- 790 miles --- is 1.5 times faster than the old one that could travel at 120 mph. How long will it take Tom to get to New York on the new train?
Set-up for Solving • The new train is 1.5 times faster than the old one that could travel at 120 mph. So-- • Then use a proportion: 180 mi. 790 mi. 1 hr. N hr. Old train: 120 mph = New train: 1.5 x 120 =180mph
Solution 180 miles 790 miles 1 hour N hours 1(790) = 180 N 790/180 = N N= 4.389 hrs or 4 hrs, 23 minutes = .389 x 60 min = 23.348 min
Homework Problem Benny has a term paper due tomorrow and it still needs to be typed. He can type 40 words per minute and the term paper is 3600 words long. His friend Delilah types 2.5 times as fast as Benny. How long would it take Delilah to type the paper?