数学题以后是这样的

“An anthropologist studies a woman’s femur that was uncovered in Madagascar,” one question began. She knew a femur was a leg bone, but was not sure about “anthropologist.” She was contemplating “Madagascar” just as she remembered her teacher’s advice to concentrate on the essential, which, she decided, was the algebraic equation that came next, h= 60 + 2.5f, where h stood for height and f stood for the length of the femur.