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In a potato race, a bucket is placed at the starting point, which is 5m from the first potato and other potatoes are placed 3 m apart ina straight line. There are ten potatoes in the line.الا5m 3m 3m 2A competitor starts from the bucket, picks up the nearest potato,runs back with it, drops it in the bucket, runs back to pick up thenext potato, runs to the bucket to drop it in, and she continues inthe same way until all the potatoes are in the bucket. What is thetotal distance the competitor has to run?[Hint : To pick up the first potato and the second potato, the totaldistance (in metres) run by a competitor is 2 x 5 + 2 x (5 + 3)] |
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Answer» Step-by-step explanation: A1=2x5=10 A2=2x(5+3)=16 A3=2x(5+3+3)=22 S10=10/2(2x10+(10-1)6) =5(20+9x6) =5x(20+54) =5x74 S10=370 So the answer is 370 |
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