In the following exercises, translate to a system of equations and solve.
407. Translate to a system of inequalities and solve.
Andi wants to spend no more than $50 on Halloween treats. She wants to buy candy bars that cost $1 each and lollipops that cost $0.50 each, and she wants the number of lollipops to be at least three times the number of candy bars.
(a) Write a system of inequalities to model this situation.
(b) Graph the system.
(c) Can she buy 20 candy bars and 70 lollipops?
(d) Can she buy 15 candy bars and 65 lollipops?
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