The meaning of number 80 and 5 in the equation. The time at which she is 60 feet away from you.
Answer to Problem 2P
The number 80 in the given equation represents that the initial distance between you and your friend is 80ft.
The number 5 in the given equation represents that your friend is coming towards you with a constant speed of 5ft/s.
She is 60ft away from you after 4 s and 28 s.
Explanation of Solution
Given information: The distance
Calculation:
The number 80 in the given equation represents that the initial distance between you and your friend is 80ft.
The number 5 in the given equation represents that your friend is coming towards you with a constant speed of 5ft/s.
Now,
Substitute
Subtract 80 from each side.
Divide each side by -5
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High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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