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Peter drove at an average speed of 120 km/h for 3 1/2 hours. If he has increased his speed by 20 km/h, how much time would he have saved?
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Peter drove at an average speed of 120 km/h for 3 1/2 hours. If he has increased his speed by 20 km/h, how much time would he have saved?

User Hardik Solanki
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He would have saved 30 minutes because to go the same distance as 120 Km/h for 3 hours and 30 minutes amounts to 420 km. If he drove faster at 140 km/h he would have reached 420 km in 3 hours instead of 3 hours and 30 minutes.
User Pratik Dodiya
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