Question 743449
When you check this, you can see that Y>3150 can't be as it exceeds 15750.

2X + 5Y = 15750 , but let's multiply the first equation by -2 on both sides;
-2X -2Y = -12000. And add :

0 + 3Y = 3750
 
Y = 1250, and X = 4750

2X = 9500
5Y = 6250

Total 15750