Expression 2: "w" Subscript, 1 , Baseline equals "r" times left parenthesis, StartFraction, 100 Over "g" , EndFraction , right parenthesisw1=r·100g
2
Expression 3: "w" Subscript, 2 , Baseline equals left parenthesis, StartFraction, "r" Over 2 , EndFraction , right parenthesis times left parenthesis, StartFraction, 100 Over "g" , EndFraction , right parenthesisw2=r2·100g