Joel brought a sum of money for his trip. On the first day, he spent 1/4 of his money and misplaced $4. On the second day, he spent 1/4 of his money on 2 identical boxes of tea leaves. On the third day, he decided to buy another 5 boxes of tea leaves. He had $6.40 left in the end. How much money did he have at first?

Joel brought a sum of money for his trip. On the first day, he spent 1/4 of his money and misplaced $4. On the second day, he spent 1/4 of his money on 2 identical boxes of tea leaves. On the third day, he decided to buy another 5 boxes of tea leaves. He had $6.40 left in the end. How much money did he have at first?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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