Can this be an answer?
Urpi wants to buy towels online. There are two stores with the kind of towel she wants.
The first store charges $20 $20 dollar sign, 20 per towel, and the delivery charge is \$25 $25 dollar sign, 25.
The following equation gives the total price (in dollars) of an order from the second store (including delivery) as a function of the number of towels:
P =35+18nP=35+18nP, equals, 35, plus, 18, n
Which store charges more per towel?
A: The first store
B: The second store
C: They both charge the same amount per towel
Urpi needs 151,515 towels. Which store is cheaper for her?
A: The first store
B: The second store
C: Urpi's order costs the same at both stores
By the way, I found this on Khan Academy
Hope this helps ^_^ <em>:3</em>
