Question

determine o valor do x em : a) 12/50-6/X x =. b)11/10= X/20 X =

Answer 1

$(a)\dfrac{12}{50}=\dfrac{6}{x}\\\\12x=6\cdot50\\12x=300\\x=\frac{300}{12}\\x=25\\\\\\(b)\dfrac{11}{10}=\dfrac{x}{20}\\\\10x=11\cdot20\\10x=220\\x=\frac{220}{10}\\x=22$



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Bons estudos! :)