If 75% of m is equal to k percent of 25, where k > 0, what is the value of m / k? (side note: " m / k " means "m divided by k") ANSWER From 2007-2008 SAT practice test
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Sorry there have not been Math Problems of the Day lately, but I just got caught up from spring break!! Without further ado.... Lisa checks the statistics for her favorite puzzle game on her iPod. She sees that she has won exactly 72% of the 2400 puzzles that she has played. What is the minimum number of puzzles that Lisa must win before she has won at least 73% of the total number of puzzles played? ANSWER Coffey, M. (Ed.). (2011). April "Calendar" Problems. MATHEMATICS TEACHER , 104 (8), 600-601.
H. Constant is the hero of a particularly successful film -rates of the Pythagorean, whose climactic scene involved Constant “walking the planck.” On its premier weekend, the film grossed $31.4 million. If its sequel is expected to surpass this amount by 15.9%, how much will the sequel gross? ANSWER From March 2011 edition of the Mathematics Teacher
Coffey, M. (Ed.). (2011). March "Calendar" Problems. MATHEMATICS TEACHER , 104 (7), 520-521. Three brothers divide 17 candy bars. The oldest child gets 1/2, the middle child 1/3, and the youngest child 1/9. So that they do not have to cut any bars, Mom provides an extra one. The oldest child then takes 9 candy bars, the middle child 6, and the youngest 2, and they return the extra one. Which child received more than his fair share? answer Coffey, M. (Ed.). (2011). January "Calendar" Problems. MATHEMATICS TEACHER , 104 (5), 368-369.
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