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An airplane flying with the wind takes 5 hours to travel a distance of 1500miles.The return trip takes 6 hours flying against the wind.What is the speed of the airplane in still air and how fast is the windblowing?Answer:The speed of the airplane in still air is ______ miles per hour.The wind speed is _____ miles per hour.Round your values to the nearest whole number.

An Airplane Flying With The Wind Takes 5 Hours To Travel A Distance Of 1500milesThe Return Trip Takes 6 Hours Flying Against The WindWhat Is The Speed Of The Ai class=

Sagot :

Given the word problem, we can deduce the following information:

1. An airplane flying with the wind takes 5 hours to travel a distance of 1500 miles.

2. The return trip takes 6 hours flying against the wind.

To determine the speed of the airplane in still air and the wind speed, we follow the process as shown below. Let:

s=speed of the airplane in still air

w= speed of the wind

Next, we write the distance equation for each way:

5(s+w)=1500

6(s-w)=1500

Then, we solve for s in 5(s+w)=1500:

[tex]\begin{gathered} 5\mleft(s+w\mright)=1500 \\ \text{Simplify and rearrange} \\ s+w=\frac{1500}{5} \\ s+w=300 \\ s=300-w \end{gathered}[/tex]

We plug in s=300-w into 6(s-w)=1500:

[tex]\begin{gathered} 6\mleft(s-w\mright)=1500 \\ 6(300-w-w)=1500 \\ \text{Simplify and rearrange} \\ 300-2w=\frac{1500}{6} \\ 300-2w=250 \\ 2w=300-250 \\ 2w=50 \\ w=\frac{50}{2} \\ \text{Calculate} \\ w=25 \end{gathered}[/tex]

We plug in w=25 into s=300-w:

[tex]\begin{gathered} s=300-w \\ s=300-25 \\ s=275 \end{gathered}[/tex]

Therefore, the answers are:

The speed of the airplane in still air is 275 miles per hour.

The wind speed is 25 miles per hour.

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