Answer:
i don’t know man
Step-by-step explanation:
i’m doing this for points sorry
Sum of angles in a triangle=180
70°+60°+(8x+2)°=180°
130°+(8x+2)°=180°
Collect like terms
(8x+2)°=180°-130°
8x+2)°=50°
8x=50-2
8x=48
x=6°
Lets set up a ratio!
17.00USD per 51 pounds and 1 pound per x dollars.

next step. cross multiply for the answer :)
Sum of ( 2x-5y) and (x+y)?
=2x-5y+x+y
=3x-4y