4. To raise money for new football uniforms, Shabazz sells T-shirts. Short sleeve T-shirts bring in a revenue of $3 each. Long sleeve T-shirts bring in $5 of revenue each. If coach says that you need to sell at least $120 in merchandise, what is the minimum number of short sleeve t-shirts they can sell? a. Write an inequality for this scenario. b. Define the variables in this scenario. c. If they sell 10 short sleeve shirts how many long sleeve T-shirts must they sell in order to still at least $120?