A train covers 165 km in 1.5 hours. How far will the train travel in 2.2 hours if it maintains the same speed?
2 answers:
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Given:
The equation is:
To find:
The value of n in terms of x.
Solution:
We have,
It can be written as
On comparing the exponents, we get
Add 1 on both sides.
Divide both sides by 2.
Therefore, the value of n is terms of x is .
<h2><u>Answer:</u></h2>
Susan = x
Gina = 3x
Sum of their ages = 12
Susan's age = ?
We can see that,
Susan is <u>3</u><u> </u><u>years </u>old.