Use this image to answer the following question. Marcy's boss at Burger World said she has to work at least 12 shifts a week. What would be the most efficient number of college classes for her to take each week?
If the image is the one attached, then the number of hours that Marcy can take if her boss needs here to work for 12 shifts a week is only 1. The image shows a graph of the number of shifts a week versus the college classes.
