Difficulty: Easy
Correct Answer: 50 km
Explanation:
Given data
Concept / Approach
Step-by-step calculation
4T = 20 ⇒ T = 5 hoursActual distance = 10 × 5 = 50 kmVerification / Alternative
At 14 km/h for 5 h ⇒ 70 km; at 10 km/h for 5 h ⇒ 50 km; difference = 20 km ✔Common pitfalls
Final Answer
50 km
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