Answer:
B $2.50x(2+4+3)
Step-by-step explanation:
Since each pack of pens are $2.50, you can simply write the equation as $2.50x(2+4+3)=
$2.50x(9)=
$22.50
Bought 2 packs of red pens
Bought 4 packs of black pens
Bought 3 packs of blue pens
Each pack is $2.50
