Heh, this is a tricky one. This would get you messed up, thinking it'd be 15 hours. But if they worked together, they would go faster, making it simple subtraction, which means 9-6 = 3.
3 hours. Have a great day.
2700 (1-4%) 5. population by 2020 would be 2201
Answer:
377.62 m³
Step-by-step explanation:
V = 16 × 3.95 × 8 - 8 × 3.95 × (8 - 3.95)
V = 377.62