Answer :
16 trashcan are placed along the track which has length of 3. 2 miles.
What is length?
Length is a unit of measurement for distance. In the International System of Quantities, length is a quantity with the dimension distance. In most measurement systems, a base unit for length is chosen from which all other units are derived. The metre is the base unit for length in the International System of Units (SI).
Length is commonly understood to be the most extended dimension of a fixed object. However, this is not always the case and may depend on the position of the object.
No. of trashcan = Total length/Trashcans length
Total length = 3.2mile
Trashcans length = 0.2mile
No. of trashcan = 3.2 / 0.2 = 16
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