SOLUTION: A light aircraft flies from a to b , 450 km away , and back from b to a In a total time of 5 1/2 hours . Suppose that during the whole journey there is a constant wind blowing fro

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Question 1079076: A light aircraft flies from a to b , 450 km away , and back from b to a
In a total time of 5 1/2 hours . Suppose that during the whole journey there is a constant wind blowing from a to b . If the speed of the aircraft in the still air is 165 km/h . Find the speed of the wind .

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w, speed of wind

450%2F%28165%2Bw%29%2B450%2F%28165-w%29=5%261%2F2

Solve for w.

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
There is a bunch of lessons in this site with detailed solutions and explanations of this kind of problems
    - Wind and Current problems
    - Wind and Current problems solvable by quadratic equations
    - Selected problems from the archive on a plane flying with and against the wind
in this site.

Consider them as samples. Read them attentively.
In this way you will learn how to solve similar problems once and for all.


Also, you have this free of charge online textbook in ALGEBRA-I in this site
    ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook under the section "Word problems", the topic "Travel and Distance problems".