The factors of 50 are: 1, 2, 5, 10, 25, 50
The factors of 80 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
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To find the greatest common factor (GCF) of 80, 62, and 50, we need to determine the largest number that evenly divides all three numbers. First, we find the prime factors of each number: 80 = 2^4 * 5, 62 = 2 * 31, and 50 = 2 * 5^2. The common prime factors among the three numbers are 2 and 5. Therefore, the GCF of 80, 62, and 50 is 2 * 5, which equals 10.
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80%=80/100 80/100 x 50 questions = 40 correct answers. therefore 50 - 40 = 10 incorrect answers.