Muhammad Shahbaz's answer to Helen Fang's Secondary 3 E Maths question.
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Qn 10
Date Posted:
6 years ago
How do you get 0.88 and 1.143 for part (c)?
Substitute v=90 into the equation that was formed for train A and B in the earlier parts
As the earlier part of the qn asked you to find an expression for the time for train A and B in terms of v
Which equation?
In qn 10 part a and b. They asked to get an expression of the time taken in terms of v
Train A time = 80/v
Train B time= 8v/ (v^2 - 10^2)
Train B time= 8v/ (v^2 - 10^2)
Oh ok thx
You are welcome
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