document.write( "Question 1194742: Suppose a driver with car leaves home at 8AM and first travels 30 km/hr for two hours, then stops one hour for coffee. He then travels at 80 km/hr for the next five hours, to arrive at the destination. (we imagine a magical car that does not need to accelerate or decelerate)\r
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document.write( "1. How many hours was this trip, from start to finish?\r
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document.write( "2. At what time did the driver arrive at the destination? \r
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document.write( "3. How many km did the driver cover? \r
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document.write( "4. what was the average rate of speed (including the rest time!), in km/hr for the entire trip?
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Algebra.Com's Answer #826995 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Suppose a driver with car leaves home at 8AM and first travels 30 km/hr for two hours, then stops one hour for coffee. \n" ); document.write( " He then travels at 80 km/hr for the next five hours, to arrive at the destination. \n" ); document.write( " (we imagine a magical car that does not need to accelerate or decelerate) \n" ); document.write( ": \n" ); document.write( "1. How many hours was this trip, from start to finish? \n" ); document.write( "2 + 1 + 5 = 8 hrs \n" ); document.write( "2. At what time did the driver arrive at the destination? \n" ); document.write( "8 Am + 8 = 16 which is 4 pm \n" ); document.write( "3. How many km did the driver cover? \n" ); document.write( "(30*2) + (80*5) = 460 km \n" ); document.write( "4. what was the average rate of speed (including the rest time!), in km/hr for the entire trip? \n" ); document.write( " |