The science club wants to buy t-shirts for the organization. They have a budget of $120. Plain white t-shirts cost $3 and red t-shirts with writing costs $6. There are
20 students in the club but all are not sure if they are going to purchase a t-shirt.
a) Write and graph a system of inequalities to model the number of t-shirts
the club can purchase to stay under budget.
b) State one solution that would work. How many more white t-shirts could
they buy? Explain.