Explicación paso a paso:
[tex]a) \: 30\% \times x = 75 \\ 0.3 \times x = 75 \\ x = 250[/tex]
[tex]b) \: 47\% \times x = 141 \\ 0.47 \times x = 141 \\ x = 300[/tex]
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Explicación paso a paso:
[tex]a) \: 30\% \times x = 75 \\ 0.3 \times x = 75 \\ x = 250[/tex]
[tex]b) \: 47\% \times x = 141 \\ 0.47 \times x = 141 \\ x = 300[/tex]