4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
📊 Work and Time Calculation 📊
Let’s analyze the situation:
4 men + 6 women = 1/8 of the work per day (8 days to complete)
3 men + 7 women = 1/10 of the work per day (10 days to complete)
We can set up equations based on the work rates:
Let’s denote the work rate of 1 man as ‘m’ and 1 woman as ‘w’.
4m + 6w = 1/8
3m + 7w = 1/10
To eliminate ‘m’, multiply the first equation by 3 and the second equation by 4:
12m + 18w = 3/8
12m + 28w = 2/5
Now, subtract the first equation from the second equation:
(12m + 28w) – (12m + 18w) = 2/5 – 3/8
10w = (16 – 15) / 40
10w = 1/40
w = 1/400 (work done by 1 woman per day)
Now, find the work rate of 10 women:
10w = 10/400 = 1/40 (work done by 10 women per day)
Time taken by 10 women to complete the work = 1 / (1/40)
= 40 days
🎉 10 women will complete the work in 40 days. 📊