Second discount: 10% of $120 = $12
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- Original price: $160
- First discount: 25% of $160 = $40
- Price after first discount: $160 - $40 = $120
- Final price: $120 - $12 = $108
- A car travels 120 miles at an average speed of 40 mph, then continues for another 180 miles at 60 mph. What is the car’s average speed for the entire trip?
- Time for first part: 120 ÷ 40 = 3 hours
