(a) The size of the soccer field you can have to yourself if you leave in a region containing 25 people per square mile is 9 fields.
(b) (a) The size of the soccer field you can have to yourself if you leave in a region containing 100 people per square mile is 2.25 fields.
The size of the soccer field you can have to yourself if you leave in the given regions is calculated as follows;
Size per person = (225 field/mi²) / (25 persons/mi²)
Size per person = 9 field per person
Size per person = (225)/100
Size per person = 2.25 field per person
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