Answer:
Step-by-step explanation:
You start off by rewriting the equation:

Then you have to factor:

Then you subtract the 0.2x:

Add the positives on the right:

Add 14:

Divide:

You get x is approximately equal to 10.84
Write Answer like this #### degrees C
Answer:
$270
Step-by-step explanation:
Price after markup was 1.20($250) = $300
Price after discounting: (1.00 - 0.10)($300) = $270
I would use a small, easy slope.