96. A car travels from location A to location B. If the car increases its speed by $20 \%$, it can arrive 1 hour earlier than the original time; if it travels 200 kilometers at the original speed and then increases its speed by $25 \%$, it can arrive 40 minutes earlier than the original time. If the car travels at 45 kilometers per hour, then $\qquad$ hours to reach location B.
Reference answer: 10