ANSWER
$1.20
EXPLANATION
George bought 3 peppers for a cost of $0.40 each.
This means he paid $0.40 for one pepper.
To find how much he pays for all the peppers, multiply $0.40 by the number of peppers he bought.
Therefore, the amount he pays for all the peppers is:
3 * 0.40 = $1.20