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A salseman travels a distance of 70 miles in 2.5 hours. How much faster in miles per hour; must he travels to make the same trip in 0.75 hours less time?
গণিত Time and Distance 07 Oct, 2020
প্রশ্ন A salseman travels a distance of 70 miles in 2.5 hours. How much faster in miles per hour; must he travels to make the same trip in 0.75 hours less time?
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