mon
mon mon
  • 28-06-2016
  • Mathematics
contestada

For his long distance phone service, Dale pays a
$6
monthly fee plus
8
cents per minute. Last month, Dale's long distance bill was
$13.92
. For how many minutes was Dale billed?

Respuesta :

Hussain514 Hussain514
  • 28-06-2016
Equation;
y=6+0.08x
Last month, Dale's long distance bill was 
$13.92
so,
$13.92=6+0.08x
0.08x=$13.92-6
0.08x=$7.92
x=99 minutes
Answer Link

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