Maths · Functions
35 workers can build a house in 16 days. How many days will 28 workers working a
35 workers can build a house in 16 days. How many days will 28 workers working at the same rate take to build the same house?
- A. 16 days
- B. 28 days
- C. 20 days
- D. 10 days
Step-by-step solution
The total work is constant, given by 35 workers × 16 days = 560 worker-days. For 28 workers, the number of days required is 560 ÷ 28 = 20 days. This is an inverse proportion problem: as the number of workers decreases, the number of days increases proportionally.
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