A man and a woman can finish a work together in half the time taken by a woman and a boy together. A boy can finish the work alone in 20 days and 2 women together can finish it in 30 days. In how many days will the work be finished by 4 men?

Let's solve the problem step by step to find how many days it will take for 4 men to finish the work.

### Step 1: Find the work rates
- **Boy's rate**: A boy can finish the work alone in 20 days, so his rate is \( \frac{1}{20} \) of the work per day.


Discover how to calculate the time required to complete work based on the rates of men, women, and boys working together. Solve a simultaneous equations problem involving rates of work. Suitable for Grades 7-9.

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