Easy 20 Points for answer! A garage is scheduled to have a temporary gravel floor until the homeowner has the funds necessary to pour a concrete floor. Washed gravel is 105 pounds per cubic foot. If the inside dimensions of the garage are as shown in Exam Figure A6, how much gravel will be required for the floor? Round your answer to the next whole ton.
A. 61 tons
B. 84 tons
C. 728 tons
D. 138 tons