Question

all members of a construction crew work at the same pace. four of them working together can pour a foundation in 32 hours. how many hours would the job take if the number of workers:

increased 2 times

Explanation:

Identify the relationship

$$ \text{Workers} \times \text{Hours} = \text{Total Work (constant)} $$

Calculate the constant total work

$$ 4 \times 32 = 128 \text{ worker-hours} $$

Determine the new time

$$
LATEXBLOCK0
$$

Answer:

16 hours