The cross sectional dimensions of a 4-ft-long wood member at 30% moisture content is 1., and its weight is 11 lb. At oven-dry condition, its...

The cross sectional dimensions of a 4-ft-long wood member at 30% moisture content is 1.5 in. x 7.5 in., and its weight is 11 lb. At oven-dry condition, its dimensions and weight are 1.35 in x 6.8 in., and 10.2, respectively. What is its specific gravity at 30 percent moisture content?