Sofía dice que 5/8 es igual a 15/24 porque 5x3=15 y 8x3=24. ¿Es verdad? ¿Cómo de llaman dichas fracciones?

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2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?