To determine how much money Emma has left after her book purchase and the amount she needs to set aside for lunch, we can set up the situation as follows:
- Total money Emma has: $26.00
- Amount spent on a book: $12.81
- Amount set aside for lunch: $10.00
First, we calculate how much money Emma has left after buying the book:
\[ \text{Remaining money} = 26.00 - 12.81 = 13.19 \]
Next, we subtract the amount she needs to set aside for lunch:
\[ \text{Money available for stickers} = 13.19 - 10.00 = 3.19 \]
Now we need to describe the maximum number of packages of stickers \( p \) that she can buy, where each package costs $0.42.
The amount she can spend on stickers is given by the inequality:
\[ 0.42p \leq 3.19 \]
To solve for \( p \), we can rewrite it as:
\[ p \leq \frac{3.19}{0.42} \]
Calculating that gives us:
\[ p \leq 7.5952 \]
Since \( p \) must be a whole number, the maximum number of packages Emma can buy is \( 7 \).
Answers:
Question 1: The correct inequality to solve this problem is:
0.42p ≤ 3.19 (not listed, but that's the context for the relevant setup)
Question 2: The maximum number of packages Emma can buy is 7.