Example 2

:نویسندهWalch Education

In sporting tournaments, teams are eliminated after they lose. The number of teams in the tournament then decreases by half with each round. If there are 16 teams left after 3 rounds, how many teams started out in the tournament?

منابع آموزشی جدید

Circles - Relative Positions
Graph of y = ax² + bx + c
Untitled
Drunk Parabola
Level Curves

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Problem
Pythagorean by Refection
Mechanics
Reflecting Points Across parallel lines
Fractured Tree
Hamlatza-‏‏partb1b

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مثلثات
ریاضیات
چهارضلعی‌ها
حجم‌ها یا شکل‌های سه بعدی
حساب دیفرانسیل و انتگرال