A: Five people each paying $14.50 means that the total bill was [tex]5\cdot\$14.50=\boxed{\$72.50}.[/tex]
B: Subtract the number of people he already has from the number of people he needs to get [tex]42-29=\boxed{13}[/tex] people.
C: Divide 96 by 8 to get [tex]\boxed{12}[/tex] packs.
Arithmetic is where it all begins, y'know?
