10 workers complete work in 40 days, 20 workers complete work in how many days?
10 workers complete work in 40 days, 20 workers complete work in how many days?
Explanation
We are given that 10 workers complete the work in 40 days.
Step 1: Find total work in worker-days
Total work = 10 workers × 40 days = 400 worker-days
Step 2: Find time for 20 workers
Time required = 400 worker-days ÷ 20 workers
= 20 days