Hay i m taking econ this year to when I'm stuck i watch these they really help
https://www.youtube.com/playlist?list=PL8dPuuaLjXtPNZwz5_o_5uirJ8gQXnhEO
$63.90 (total)
$5.40 (cards)
$11.70/per (bags)
$63.90 - $5.40 = $58.50
$58.50 / $11.70 = 5
She invited 5 guests (b).
6 teams 5 times the key word is times this means multiply so 6x5=30