Answer:
A
Explanation:
So he bought 3 packages of pens.
And each package has 4 blue and 2 black.
Thus, the equation that can be used to find the total number of pens p is:
The (4+2) represents the total number of pens in 1 package. And the 3 represents the total number in 3 packages.
Further notes:
The total number of pens would be 18.