Final answer:
David spent a total of $6.85 on paper, pencils, and an eraser by adding the individual costs of $3.26, $2.34, and $1.25 respectively.
Step-by-step explanation:
To calculate the total amount spent by David on paper, pencils, and an eraser, we need to add the cost of each item together. Here's how we do that:
- Paper: $3.26
- Pencils: $2.34
- Eraser: $1.25
We add these amounts to get the total:
$3.26 + $2.34 + $1.25 = $6.85
So, David spent a total of $6.85 on his school supplies.