Mathematics, 05.08.2021 02:00 travisvb

She walks to her school at a distance of 800m from her house in 55 seconds. On reaching, she finds that the school is closed and comes back by car with her friend and reaches home in 25 seconds. Find her average speed in m/s

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She walks to her school at a distance of 800m from her house in 55 seconds. On reaching, she finds t...