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A plane left 30 minutes late than its sc...

A plane left 30 minutes late than its scheduled time and in order to reach the destination1500 km away in time, it had to increase the speed by 250 km/h from the usual speed.Find its usual speed.

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To solve the problem, we need to find the usual speed of the plane given that it left 30 minutes late and had to increase its speed by 250 km/h to reach its destination on time. ### Step-by-Step Solution: 1. **Let the usual speed of the plane be \( x \) km/h.** - **Hint:** Define a variable for the unknown quantity you need to find. 2. **Calculate the time taken to cover 1500 km at the usual speed.** ...
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