Which arrangement shows 26/4 , 6.45, 6 2/5 , and 50/8 in order from least to greatest? {A} 6 2/5 , 50/8 , 6.45, 26/4 {B} 50/8 , 6 2/5 , 26/4 , 6.45 {C} 26/4 , 50/8 , 6 2/5 , 6.45 {D} 50/8 , 6 2/5 , 6.45, 26/4