If a phone company charges

Question

$
0.35
$0.35 for the first minute and
$
0.30
$0.30 for each additional minute for a long-distance call, how long did you talk if the phone call cost
$
8.75

Answer 1

8.75=0.3x+0.35

x=minutes

Do the rest mate.

Also a shoutout to Reiny.