SOLUTION: An executive flew in the corporate jet to a meeting in a city 1500 miles away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had

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Question 230598: An executive flew in the corporate jet to a meeting in a city 1500 miles away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had 300 kilometers to go. The speed of the plane was 600 kilometers per hour. How fast was the wind blowing? (Assume that the wind direction was parallel to the flight path and constant all day.)
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An executive flew in the corporate jet to a meeting in a city 1500 miles away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had 300 kilometers to go. The speed of the plane was 600 kilometers per hour. How fast was the wind blowing? (Assume that the wind direction was parallel to the flight path and constant all day.)

Step 1. distance=speed * time

Step 2. Let x be the speed of the wind.

Step 2. Let 600+x be the speed of the plane and the speed of the wind.

Step 3. Let t be the time it takes to go 1500 miles

Step 4. Then, (600 km/hour+x)t=1500 miles since distance traveled is 1500 miles.

Step 5. Convert 1500 miles into kilometers where 1 kilometer = 0.621371192 miles

So in Step 4, it becomes (600+x)t=2424

Step 6. Let 600-x be the speed going in the other direction

Step 7. Then, (600-x)t=2424-300=2124 km since 300 km to go in the same amount of time.

Step 8. Solve for t in Steps 5 and 7 and set the equations equal to each other.

Step 9. Multiply by (600+x)(600-x) to both sides of the equation to get rid of the denominators.

Solved by pluggable solver: EXPLAIN simplification of an expression

 Here's what you tried: This is an equation! Solutions: x=39.5778364116095. Graphical form: Equation was fully solved.Text form: 2424*(600-x)=2124*(600+x) simplifies to 0=0Cartoon (animation) form: For tutors: `simplify_cartoon( 2424*(600-x)=2124*(600+x) )` If you have a website, here's a link to this solution.

DETAILED EXPLANATION

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Result:
This is an equation! Solutions: x=39.5778364116095.

Universal Simplifier and Solver

Done!

Step 10. Check times if equal: t=2424/(600+39.6)=3.79 hours, and t=2124/(600-39.6)=3.79 hours.

Step 11. ANSWER: So the wind speed is 39.6 km/hr.

I hope the above steps were helpful.