80 degrees. 145 = (4x+5) + (6x-10) = 10x-5... so 10x = 150, x = 15. LMN = 6x-10 = 6(15) - 10 = 80.
Answer:

Step-by-step explanation:
Remember that 
Then,

But
and 
Then

Here is the solution:
0.59 * 10 = $5.90
0.99 * 5 = $4.95
$5.90 - $4.95 = $0.95
You would save 0.95$ if you bought
10 candy bars at the sale price
rather than at the regular price. I am hoping that this answer has
satisfied your query and it will be able to help you in your endeavor, and if
you would like, feel free to ask another question.