[MA]:
32 - 2.5x - 2y
Explanation:
He bought 2.5 pound of weight of apples for x dollars a pound. Thus, cost is 2.5x
He bought 2 bags of lettuce for y dollars each. Thus cost is y2
Total bill cost = 2.5x + 2y
We are told he has a coupon for 2$ off his bill.
This means the amount he will pay will now be;
2.5x + 2y - 2
Gabriel has 30$ to pay for the groceries
Thus, his change will be;
30 - (2.5x + 2y -2)
This gives;
32 - 2.5x - 2y
Write's note: Hope this helps, bye!
[xArtsy]