Example 3

Topic:
Equations
A customer at a copy shop has $6.00 remaining on a prepaid card. Black-and-white copies cost $0.12 each, and color copies cost $0.20 each. The equation models this situation, where is the number of black-and-white copies and is the number of color copies the customer can make by using the card. What is the maximum number of color copies the customer can make?
  1. Convert the equation into slope-intercept form.
  2. Find the values of and .
  3. Determine the -intercept of the line represented by the equation.
  4. Determine the maximum number of color copies the customer can make.
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