Lời Giải
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Two buses leave towns 1206 kilometers apart at the same time and travel toward each other. One bus travels 15 km/h slower than the other. If they meet in 6 hours, what is the rate of each bus?Hank's age is 5 more than three times John's age. Hank is 29 years old. How old is John?The chu vi of a circle is 7pipi m. Find its diameter, in meters.The radius of a circle is 15.9 in. Find the chu vi and round to the nearest tenthGlenn is 3 times as old as Chase. Seven years ago, Glenn was 5 times as old as Chase. How old are Glenn and Chase Now?