document.write( "Question 161967: Jose traveled for 2 hours at a rate if 70 kilometers per hour and for 5 hours at a rate of 60 kilometers per hour. what his average speed for the 7 hour period?\r
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Algebra.Com's Answer #119359 by jojo14344(1513) $\"\"$ $\"About$

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\n" ); document.write( "Average speed for 7 hours:
\n" ); document.write( " $\"Total+Distance%2F+7+hours=%28d%5B1%5D%2Bd%5B2%5D%29%2F7\"$ , EQN 1
\n" ); document.write( "where,
\n" ); document.write( " $\"d%5B1%5D=%2870km%2Fcross%28hr%29%29%282cross%28hrs%29%29=140km\"$
\n" ); document.write( " $\"d%5B2%5D=%2860km%2Fcross%28hr%29%29%285cross%28hrs%29%29=300km\"$
\n" ); document.write( "Go back EQN 1,
\n" ); document.write( " $\"Average+Speed=%28140%2B300%29%2F7=440%2F7=62.85km%2Fhr\"$ , ANSWER
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo \n" ); document.write( "

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