250/120=x/12=75/y= nilai x dan y barturut turut adalah
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[tex] \frac{250}{120} = \frac{25}{12} = \frac{x}{12} \\25.12 = 12x \\ \\ 300 = 12x \\ \frac{300}{12} = x \\ x = 25 \\ \\ \frac{25}{12} = \frac{75}{y} \\ 25y = 75.12 \\ 25y =900 \\ y = \frac{900}{25} \\ y = 36 [/tex]
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