document.write( "Question 899368: Rates and ratios
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document.write( "1. on a 2 hour journey pertov drove at 90km/h for the first hour and 50km/h for the second hour. what was the average speed?\r
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document.write( "2. on a 200km journey, ogla drove at 90km/h for he first 100km and 50km/h for the rest. what was her average speed? \n" );
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Algebra.Com's Answer #545360 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 1. (90+50)km/2hr = 70kmph \n" ); document.write( "2. (90+110)km/3.3hr = 60.6kmph Note: \n" ); document.write( "the Idea is (Total miles)/(Total Time) = average speed \n" ); document.write( " |