Question
Olivia wanted to buy pens for her students. If she bought 20 pens, she would need another $15. If she bought 28 pens, she would be short of $79. How much did Olivia have?
4 m

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Olivia wanted to buy pens for her students. If she bought 20 pens, she would need another $15. If she bought 28 pens, she would be short of $79. How much did Olivia have?