Answer:
18 workers should the landscaper bring to the job to finish a set of plants in 4 hours.
Step-by-step explanation:
As given
Assuming that a set of plants can be installed in number of hours inversely related to the number of workers.
Let us assume that the number of hours needed for set up a plant be x.
Let us assume that the number of worker needed for setup a plant be y.
Thus
Where k is the constant of proportionality.
A landscaper estimates that a set of plants can be installed in 6 hours by 12 workers.
x = 6 , y = 12
k = 72
The landscaper wants to finish a set of plants in 4 hours.
x = 4 , k = 72
y = 18
Therefore 18 workers should the landscaper bring to the job to finish a set of plants in 4 hours.
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