Answer:
It is A and D.
Step-by-step explanation:
One answer would be 1.50x + 3600 = 1200, because he sells x many bags for $1.50 each, and add 3600 to it
The other answer is 1.5(2400 + x) = 12000, this is equal to 3600 + 1.5x = 1200, the same as the first equation.
The other answers are all wrong.
Answer:

Step-by-step explanation:

Answer:
$40
Step-by-step explanation:
25% is 1/4.
If 10 is 1/4 of the full amount, then you take 10 and multiply by 4 to get the full amount.
10 times 4 equals 40.