PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Two families attended a baseball game. The first family bought 5 bags of popcorn and 6 souvenir cups, which totaled $65. The second family bought 10 bags of popcorn and 4 souvenir cups, which totaled $90. How much did one bag of popcorn cost?
$4
$5
$6
$7
