Question 718969
If it takes 3 days for 10 workers to finish a house,
Find how many man-days to finish a house
3 * 10 = 30 man-days to do one house
:
how many days will it take 15 workers to finish 4 houses?
let t = no. of days to do this
15t = 4(30)
15t = 120
t = 120/15
t = 8 days