Mathematics · Speed, Time and Distance
A rescue helicopter left 0.5 hours later than its usual time. In order to reach its destination which is 450 km away on time, it increases its speed by 15 over its normal speed. Find its increased speed.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1120 km/h
- 2210 km/h
- 3150 km/h
- 4180 km/h✓
Correct answer
180 km/h
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