Subtopic: Processing of seeds, spices, fruits and vegetables
Question Statement:
Soybean seeds containing $20.0\%$ oil (wet basis) are processed in a solvent extraction plant using hexane. The extracted de-oiled cake retains $1.0\%$ residual oil on dry basis. If the initial moisture content of seeds is $10.0\%$ (w.b.) and extraction is solvent-free in cake, the percentage recovery of oil from the seeds is ________ (round off to 1 decimal place).