Chapter 6 - Systems of Equations and Inequalities - 6-5 Linear Inequalities - Practice and Problem-Solving Exercises - Page 394: 36

a) $10x+8y \geq 800$, Please see the graph. b) No. The student would need to work 32 hours at the cafe, over the 30 hours available.

a) The graph was made using graphing software. b) $10x+8y \geq 800$ $10x+8*60 \geq 800$ $10x+ 480 \geq 800$ $10x+ 480-480 \geq 800-480$ $10x \geq 320$ $10x/10 \geq 320/10$ $x \geq 32$ $30 \geq 32$ (false)