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10. Ramesh could run a 100-m race in 20 seconds. After training, he can finish the race in 15 seconds. By how much has he improved his speed?​

Answer» RAMESH's SPEED before training = d/t = 20100 =5m/sRamesh's speed after training = d/t = 15100 =6.66m/sSo, his speed increased by = 6.66−5=1.66 m/sStep-by-step explanation:PLEASE please FOLLOW me


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