Question

if 5 labourers earn 8000 in 15 days ,how many lobourers can earn 6720 in 9 days

Answer 1

thus
5 labour in one day = 8000/15

and 1 worker in a day = 8000/15/5= 107 rs aproxxx

..then labour 6720/9 /x =q107
6 labour will be required