SOLUTION: A jet plane, flying 80 mph faster than a propeller plane, travels 3960 miles in 2 hours less time than the propeller plane takes to fly the same distance. How fast does each plane
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Question 831176: A jet plane, flying 80 mph faster than a propeller plane, travels 3960 miles in 2 hours less time than the propeller plane takes to fly the same distance. How fast does each plane fly?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
r, speed of the propeller plane
_____________speed____________time____________distance
Jet__________r+80_____________h-2_______________3960
Propeller____r_________________h________________3960
R*t=d the uniform rates equation for travel, R meaning rate, t for time, d for distance.
JET: ;
PROP: .
I solved the same general question a couple days ago, just a slightly different example. The equations were similar. Try understanding this problem description and solving the system yourself.
Look-up problem number 830872
http://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.830872.html
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