Answer:
19 km
Step by step explanation:
Answer:
E=-24
Step-by-step explanation:
the answer Is b and c
Step-by-step explanation:
because I did it
The whiteboards she bought cost $35, and she spent a total of $51.20, subtract to find out the total amount she spent on posters:

So she spent a total of $16.20 on posters, now divide by the amount one poster costs to find out how many posters she bought.

So she bought 3 posters.