# algebra

Pablo and Linda both travelled from Tuguegarao to Manila for a convention. Pablo drove his car at an average speed of 50 km per hour, while Linda took a plane. Her trip required 1 hour, and his 9 hours. What was the average speed of Linda's plane?

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1. distance=avg speed*time
50km/hr*9hr=avgspeedPlane*1hr

avgspeedPlane=450km/hr

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