RoryP490223 RoryP490223
  • 03-11-2022
  • Mathematics
contestada

45 is 130% of what number?

Respuesta :

EthanjamesL322259 EthanjamesL322259
  • 03-11-2022

Let x be the unknown number, then we can establish the following rule of three

[tex]\begin{gathered} 45\text{ ------- 130 \%} \\ x\text{ ------- 100 \%} \end{gathered}[/tex]

By cross-multiplying these numbers, we have

[tex]x\times\text{ (130 \%)=45}\times\text{ 100\%}[/tex]

Then, x is given by

[tex]\begin{gathered} x=\frac{\text{45}\times\text{ 100\%}}{\text{130 \%}} \\ x=\frac{4500}{130} \\ \end{gathered}[/tex]

then, x is

[tex]x=34.615[/tex]

Therefore, the searched number is: 34.615

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