Lewis Bowman
08/24/2023 · Junior High School
(1) Plantea, en cada caso, una situación que pueda resolverse usando la regla de tres compuesta que se indica. Resuélvela y veri- fica tus respuestas con el método de reduc- ción a la unidad. \( \begin{array}{ll}\text { a. } \frac{2 \cdot 16}{4 \cdot 13}=\frac{100}{x} & \text { b. } \frac{21 \cdot 4}{5 \cdot 12}=\frac{7}{x} \\ \text { c. } \frac{1}{x}=\frac{10}{18} \cdot \frac{30}{25} & \text { d. } \frac{5}{x}=\frac{5}{16} \cdot \frac{24}{40} \cdot \frac{10}{3}\end{array} \)
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- a. \( x = 162.5 \)
- b. \( x = 5 \)
- c. \( x = 1.5 \)
- d. \( x = 8 \)
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