isley2 isley2
  • 01-03-2018
  • Mathematics
contestada

25% of the teachers gave homework. If 7 teachers gave homework how many teachers work there

Respuesta :

iGreen
iGreen iGreen
  • 01-03-2018
We can create an equation.

25% of the teachers gave homework, 7 of them gave homework. 'of' means multiplication.

[tex]\sf 25\% \times x=7[/tex]

Solve for 'x':

[tex]\sf 0.25x=7[/tex]

[tex]\sf x=\boxed{\sf 28}[/tex]
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