Linear Inequalities in One Variable with Applications · Example 7
Brenda’s best friend is having a destination wedding and the event will last 3 days and 3 nights. Brenda has $500 in savings and can earn $15 an hour babysitting. She expects to pay $350 for airfare, $375 for food and entertainment, and $60 a night for her share of a hotel room. How many hours must she babysit to have enough money to pay for the trip?
OpenStax, Contemporary Mathematics · §5.3 Linear Inequalities in One Variable with Applications · Example 7
No hints for this one.
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