In the following exercises, translate to a system of inequalities and solve.
319. Jocelyn is pregnant and needs to eat at least 500 more calories a day than usual. When buying groceries one day with a budget of $15 for the extra food, she buys bananas that have 90 calories each and chocolate granola bars that have 150 calories each. The bananas cost $0.35 each and the granola bars cost $2.50 each.
(a) Write a system of inequalities to model this situation.
(b) Graph the system.
(c) Could she buy 5 bananas and 6 granola bars?
(d) Could she buy 3 bananas and 4 granola bars?
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Elementary Algebra
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