- A3.5
- B2.5
- C3
- D4
Step-by-Step Solution
Original speed = 240 ÷ 4 = 60 km/h; new speed = 80 km/h; time = 240 ÷ 80 = 3 hours.
Answer: C) 3
A car covers 240 km in 4 hours. If it increases its speed by 20 km/h, how long will it take to cover the same 240 km? (answer in hours)
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