Four men working together can dig a ditch in 42 days. They begin, but one man works only half-days. How long will it take to complete the job:

🧠 Explanation:

Four men dig a ditch in 42 days, but with one working half-days, it takes 48 days. Calculate: Three full-time plus one half-time equals 3.5 men; 4 × 42 = 3.5 × x; x = 48. This helps students understand work-rate problems in math. It’s useful for math classes or project planning. Knowing work rates enhances problem-solving, ensuring better comprehension for academic work or general knowledge about labor calculations in real-world scenarios.