Final answer:
7-Eleven will charge $3.30 per bag of takis after marking up the original price of $3.00 by 10%.
Step-by-step explanation:
The question involves a simple percentage markup calculation in a retail scenario. If 7-Eleven buys bags of takis for $3.00 and marks up the price by 10%, the additional cost can be calculated by finding 10% of the original cost and then adding it to the original cost. To find 10% of $3.00, you would multiply 3.00 by 0.10 (which is the decimal form of 10%).
0.10 × $3.00 = $0.30
Next, you add the markup to the original cost:
$3.00 + $0.30 = $3.30
Therefore, 7-Eleven would charge $3.30 per bag of takis after a 10% markup.