document.write( "Question 921570: A small plane flies 810 miles from Los Angeles to Portland, Or. with an average speed of 270 mph. An hour and half after the planes leaves, a Boeing 747 leaves Los Angeles for Portland. Both planes arrives in Portland at the same time. What was the average speed of the 747?
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Algebra.Com's Answer #559111 by josgarithmetic(39617)\"\" \"About 
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____________________rate___________time____________distance
\n" ); document.write( "SMALL_______________270____________\"t%2B1%261%2F2\"_____________810
\n" ); document.write( "BG747________________r______________\"t\"________________810\r
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\n" ); document.write( "\n" ); document.write( "Most important is to understand the data shown in the table.
\n" ); document.write( "Use the basic travel uniform rate rule RT=D; and use the SMALLL data to find t, and use this result to find r in the Boing747 data.
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