if 6 men can colour 48 m long cloth in 2 days , then 2 men can colour 36 m long cloth in
"the length of cloth painted by one man in one day = 48 / 6 × 2 = 4 m no . of days required to paint 36 m cloth by 6 men = 36 / 4 × 2 = 4.5 day . d"
divide(36, multiply(divide(48, multiply(6, 2)), 2))