The fact that British sailors drank a lot of lime juice resulted in А the expression "an apple a day keeps the doctor away.". B. the sailors being called Limeys. C doctors learning that limes prevent scurvy. D limes being called "watery Brits."
From 2.56 to 3.18; 3.18-2.56=0.62 increased so if 2.56 represented 100% 0.62 represents ? % cross multiply ?%= 0.62·100/2.56=24.21875 which rounded to the nearest whole is 24% Answer is B).