Answer:
1490 milliliters
Explanation:
There are 1000 milliliters in 1 liter.
Jug contained 2.5 liters, that in ml, is:
2.5 * 1000 = 2500 milliliters
He poured 755 and 255 into 2 motors, that is pouring a total of:
755 + 255 = 1010 milliliters
He has remaining,
2500 - 1010 = 1490 milliliters
Or, in liters, that is:
1490/1000 = 1.49 Liters