Final answer:
The expression combining the total number of pens, pencils, and erasers in p packages is simplified by adding the coefficients to get 14p, representing the total supplies in p packages.
Step-by-step explanation:
The expression 4p + 8p + 2p represents the total number of school supplies in p packages, with each package containing 4 pens, 8 pencils, and 2 erasers. To simplify the expression, we combine like terms (since p represents the number of packages and is a common factor in each term).
The simplified expression is:
14p
This is because:
4p (for the pens) + 8p (for the pencils) + 2p (for the erasers) = 14p
Thus, 14p is the total number of school supplies in p packages.