8.75=0.3x+0.35
x=minutes
Do the rest mate.
Also a shoutout to Reiny.
If a phone company charges
$
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
1 answer