document.write( "Question 1159053: Lola and Betty work at a factory that makes rubber duckies. If it takes Lola 8 seconds to paint a ducky's bill red and Betty 10 seconds to do the same, how many seconds will it take them together to paint 36 red bills? \n" ); document.write( "

Algebra.Com's Answer #782025 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "In 40 seconds, Lola paints 40/8 = 5 rubber duckies.\r\n" );
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document.write( "In the same time, Betty paints  40/10 = 4 rubber duckies.\r\n" );
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document.write( "Thus in 40 seconds, they both paint 5+4 = 9 toys.\r\n" );
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document.write( "It means that they need 40 seconds *  = 40*4 = 160 seconds \r\n" );
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document.write( "          to paint 36 toys working together.    ANSWER\r\n" );
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