Materials of equal value for trading
- 1 stone = 4 logs
- 1 brick = 10 logs
- 2 logs = 150 nails
It takes 39 stones and 165 logs to build 3 sheds.

What is the exact number of logs needed to build 5 sheds?

Answer: ____________logs

A.
275

B.
330

C.
99

D.
220