Answer: 4,840,000 square meters
Step-by-step explanation:
Each square has an area of (400m)^2 or 160,000 m^2 each square.
There are 390 squares, so:
(30 squares)*(160,000 m^2/square) = 4,800,000 m^2
4,840,000 square meters comes closest
Answer:
16
6 hours
because if they work together it will be 9 hours slower than Kelsey's time alone.
not sure if correct
