Answer :
Let:
n = Number of calendars
a = Cost of each calendar
b = Shipping fee
A = Total cost
[tex]\begin{gathered} A=an+b \\ since \\ a=12 \\ b=15 \\ Then \\ A=12n+15 \end{gathered}[/tex]Let:
n = Number of calendars
a = Cost of each calendar
b = Shipping fee
A = Total cost
[tex]\begin{gathered} A=an+b \\ since \\ a=12 \\ b=15 \\ Then \\ A=12n+15 \end{gathered}[/tex]