Answer:
b
Step-by-step explanation:
For the first one they are charging around 13.80 per pound
for the second one they are charging 6.75 per pound
and the third one they are charging around 12 per pound. Therefore the second one is the best deal
X = # of hours
8x + 50 = 270
Subtract 50 from 270 and divide by 8 to get the result.
2b+15
2 dollars for each book so you multiply it by the number of books and add 15 because it is a one time fee.
I’m pretty sure the answer is 31x
2
+264x+836