Bill is going to order new jersey for his baseball team the jersey team logo printed on front bill ask 2 local companies to give him a price

1)print it
charage 21.50 dollars each for the jersey using n for the number of jersey and c for the total cost show the total cost of jersey from print it

21.04$ or 21.40$ or 21.50? ?

2)top it
has a one off setting up cost of 70$ and then charge 18$ for each jersey

using n stands for number of jersey ordered c for the total cost in dollars write the equation to show jersey from top it