Final answer:
To calculate the percentage decrease in Dylan's available credit, you subtract the new amount from the original, divide the difference by the original amount, and multiply by 100. The answer is a 20% decrease.
Step-by-step explanation:
The question is asking about the percentage decrease in the amount of available credit in Dylan's credit card account. To calculate the percentage decrease, you subtract the new value from the original value and then divide by the original value. Finally, you multiply by 100 to get the percentage.
Here's the calculation for Dylan's credit card account:
- Original amount of credit: $650.00
- New amount of credit: $520.00
- Decrease in credit: $650.00 - $520.00 = $130.00
- Percentage decrease: ($130.00 / $650.00) x 100 = 20%
Therefore, the percentage decrease in the amount of available credit is 20%, which corresponds to option D).