TazMrahkane4v0ie
TazMrahkane4v0ie TazMrahkane4v0ie
  • 18-10-2016
  • Mathematics
contestada

the cost of a pen is three times the cost of a pencil. the cost of 4 pencils and 3 pens is $9.75. what is the cost of a pencil? the cost of a pen is three times the cost of a pencil. the cost of 4 pencils and 3 pens is $9.75. what is the cost of a pencil?

Respuesta :

Nvara
Nvara Nvara
  • 20-10-2016
9.75=4x+3(3x)
9.75=4x+9x
9.75=13x
x=.75
One pencil costs $0.75
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