Respuesta :

Let used balloon be x

[tex]\\ \sf\longmapsto x=60\%\:of\:450[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{60}{100}\times 450[/tex]

[tex]\\ \sf\longmapsto x=45(6)[/tex]

[tex]\\ \sf\longmapsto x=270[/tex]

aniilsah555

Step-by-step explanation:

Solution,

  • Let the number of used balloons be x,

Given:-

  • Total number of balloons= 450
  • Used percentage of balloons= 60%

Now,

Number of used balloons(x)=

  • 60% of 450
  • 60/100×450
  • 270

Hence, 270 balloons were used.