Mathematics, 05.08.2020 14:01 codyjacksnow

Laura has a step of 50cm She walks along by taking two steps forward and one step back. What is the least number of steps counting forward and backwards step, she takes to reach a step 20m away? ~Thanks - don't know how to solve :(

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Laura has a step of 50cm She walks along by taking two steps forward and one step back. What is the...