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steposvetlana [31]
3 years ago
6

Anyone know this will mark brain.....pic below..

Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0

Answer:

15x + 30y - 220

Step-by-step explanation:

(30 \times  \frac{1}{2} x ) + (30 \times  - 2) + (40 \times  \frac{3}{4} y )+( 40 \times  - 4)

= 15x - 60 + 30y - 160

= 15x + 30y - 60 - 160 \\  = 15x  + 30y - 220

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