Mathematics, 09.04.2020 20:23, 10040816

Mr. ben drove from town a to town b. for the first 3 hours, he traveled at an average speed of 60 km/h, and after that, he drove at another average speed of 70 km/h. if the distance between town a and b is 460 km, what was the total time for the whole journey?

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Mr. ben drove from town a to town b. for the first 3 hours, he traveled at an average speed of 60 km...