A: Eight.
2.2008- 1999+40=49 (years old)
A: I am 49 years old.
3. 1 hour 40 minutes = 100 minutes
2800/ 100=28 (m)
A: The average is 28 meters.
4, 200*360=72000 (square meters)
=7.2 hectares
A: 72,000 square meters, or 7.2 hectares.
72000*0.8=57600 (kg)
=57.6 (ton)
A: It can produce 57,600 kilograms of grain, or 57.6 tons.
5, 2 liters =2000 ml
2000/250=8 (Cup)
A: Eight cups.