PL help me write an essay with the topic "It's never too late to give up your prejudices"

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17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Living organism in our word are connected to other variety of ways