Project #26850 - Graphing System of Inequalities

I need two problems solved.

 

1. Josefina works between 10 and 30 hours per week at a pizzeria. She earns $6.50 an hour, but can earn tips when she delivers pizzas.

a) Write a system of inequalities to represent the dollars d she could earn for working h hours in a week.

b) Graph this system.

c) If Josefina recieved $17.50 in tips and earned a total of $180 for the week, how many hours did she work?

 

2. An economics class formed a company to sell at least 20 notebooks & 50 pens per week, with a goal of earning at least $60 per week. 

a) Define the variables and write a system of inequalities to represent this situation.

b) Graph the system.

c) Name one possible solution.

Subject Mathematics
Due By (Pacific Time) 04/06/2014 02:08 pm
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