Answer:
No clue I’m a freshman just doing for points
Step-by-step explanation:
644 is 80% of the regular price, so price=644/0.8 = 805 $
3x=x+40(vertically opposite angle)
thus ,
X= 20
For the answer to the question above,
The expected value in percentage format is 0.2 x 15+0.4 x 20 + 0.3 x 30 + 0.1*35 = <u><em>23.5%</em></u>
The answer is <u><em>23.5%
</em></u>
I hope my answer helped you. Have a nice day ahead!
<u><em /></u>
X=-8.5
u would solve by isolating x
