A small jet can fly 1,435 miles in 5 hours with a tailwind but only 1,215 miles in 5 hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
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When I started reading the book, it caught my attention instantly. Even though I had read all the previous parts, none of the books caught my attention as this one did. It gave a larger perspective into the wizarding world. One of the things which excite me the most about this book is the introduction of the other wizard schools. The concept of the Tri-wizard tournament is one of the most brilliant pieces I have come across in the Harry Potter series.
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