if 8 women can color 400 m long cloth in 5 days , then 10 women can color 500 m long cloth in ?
"the length of cloth painted by one woman in one day = 400 / 8 × 5 = 10 m no . of days required to paint 500 m cloth by 10 women = 500 / 10 × 10 = 5 days answer : c"
divide(500, multiply(10, divide(400, multiply(8, 5))))