You were close but it’s 20 I think. How I got it was that since you’re dealing with areas it means multiply so 5x4=20.
Each box is enough for 10 people
Carl bought 3 boxes
multiply 3 by 10: 3 *10 = 30
Tina bought 4 boxes
multiply 4 by 10: 4 *10 = 40
then add them together:
30 + 40 = 70 people
Do you have any other information? I think that the question is missing a part.
Answer:
Okay, so i'm pretty sure it's $11.70 (A)
Step-by-step explanation:
Supply and demand functios often describe a curve rather than a straight line.