answer:
Present value (PV) is an accounting term meaning the value today of some amount of money expected to be available one or more years in the future. ... In this formula, PV stands for present value, namely right now, in the year of analysis.
The answer is 185 ....................
1647. 1 hour=60 minutes. John can mow 247 square feet per minute, so he can mow 60*247=14820 square feet per hour. 1 yard=3 feet, so 1 square yard =3^2=9 square feet, so in the same duration of time, John can mow 14820/9=1647 square yards (approximately) per hour.
I think its 6 i'm not sure hope this might help