w = 37.846 mph (wind rate)
plane speed in still air: 492 mph
Answer:
write the question properly and <u>completely</u> then only you will get correct answer
The unit rate would probably be 21 per 3.5
Answer:

General Formulas and Concepts:
<u>Pre-Alg</u>
- Order of Operations: BPEMDAS
<u>Algebra I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (40, 3000)
Point (60, 4000)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:

- Subtract:

- Divide:

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