X= 9....
This is the correct answer.
The answer is Vertical angles are equal.
No Alan did not break even
Alan incured a loss of 6.25 %
<em><u>Solution:</u></em>
Given that,
Alan bought two bikes
He sold one to Beth for $300 taking a 25% loss
He also sold one to Greta for $300 making a 25% profit
When a person sells two similar items, one at a gain of say x%, and the other at a loss of x%, then the seller always incurs a loss
Which is given as:

Here, x = 25

Thus the loss percentage is 6.25 %
M=-2/3
This is because it’s the slope I got and I don’t know how to explane it