Correction Tapes...?

Level pending

Victor Loh contributes correction tapes for the class to use every day :P. On the first day, he contributed 1/6 of his total contribution. On the next day, he contributed 1/5 of the remainder. The next day he contributed 1/3 of the remainder, and on the last day he contributed 8 correction tapes :P However an elf (or something like that) mysteriously seized 10 correction tapes, and given that Victor had to get a correction tape each for each classmate, how many correction tapes did Victor need?

Notes and assumptions---- 1. Victor's class has 25 students, inclusive of him. He needs a correction tape for himself. 2. Thanks Victor Loh even though I didn't get permission to use his name...

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