Question

| A 5-minute international call costs $2.15 and a 12-minute

call costs $3.06. The work shows how to write an
equation where x represents the number of minutes, and
y represents the total cost of an international call.
Analyze the steps of the work to determine if the
equation is correct.

Answer 1

In step 2, she substituted the x values for y and the y values for x.

Explanation:

just did it