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7. the table shows the relationship between the number of copies made a…

Question

  1. the table shows the relationship between the number of copies made at a print shop and the total cost of the copies.

fill in the blank by select the correct word.
the number of copies and the total cost ______ in a proportional relationship.
a are
b are not

Explanation:

Step1: Calculate unit cost for each row

For \(2\) copies costing \(7\) cents: Unit cost \(=\frac{7}{2} = 3.5\) cents per copy.
For \(8\) copies costing \(14\) cents: Unit cost \(=\frac{14}{8}=1.75\) cents per copy.
Since unit costs are not equal.

Answer:

B. are not