B. -99
Explanation: The total amount spent on both items was $270 + $369 = $639. When Karana returned both items, she would receive a refund of $639. So, the change in the amount owed to the credit card company would be -$639.
Karana's mom bought her two items using a credit card. The first item cost $270, and the second item cost $369. Later, she returned both items to the store. What was the change in the amount owed to the credit card company from returning both items?
A. 639
B. -99
C. -639
D. 99
1 answer