Sergio's internet provider charges its customers $9 per month plus 4¢ per minute of on-line usage. Sergio received a bill from t

Question

3 years ago

11

Sergio's internet provider charges its customers $9 per month plus 4¢ per minute of on-line usage. Sergio received a bill from t

he provider covering a period and was charged a total of $81.40. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)

Mathematics

1 answer:

Degger [83] · Answer 1 · 2022-03-24T13:48:29+03:00

Degger [83]3 years ago

8 0

$81.40-$9.00=$72.40
$72.40/.4 (cents)= 181 minutes