document.write( "Question 1146589: Lola and Berry work a a factory that makes rubber duckies. If it takes Lola 8 seconds to paint a duck's bill red and Betty 10 seconds to do the same, how many seconds will it take them together to pain 36 red bills? \n" ); document.write( "
Algebra.Com's Answer #767868 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! in one second, L does 1/8 and Betty 1/10 \n" ); document.write( "in x seconds it is x/8 and x/10 \n" ); document.write( "This has to equal 36 \n" ); document.write( "(x/8)+(x/10)=36 \n" ); document.write( "multiply by 40 \n" ); document.write( "5x+4x=1440 \n" ); document.write( "9x=1440 \n" ); document.write( "x=160 seconds \n" ); document.write( "20 for L and 16 for B. \n" ); document.write( " |