Question

please help brainliset, thanks, and five star

Answer 1

Answer:

15x+30y-220

Step-by-step explanation:

$30(\frac{1}{2}x-2)+40(\frac{3}{4} x-4 )\\\\(15x-60)+(30x-160)\\\\15x+30y-220$

Answer 2

Your answe will be answer 3