document.write( "Question 885963: A can EAT pizza in 10 min
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document.write( "B can eat pizza in 15 min
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document.write( "Their grandfather can eat a pizza in 30 min\r
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document.write( "If, A, B & their grandfather all start eating the same pizza at the same time, how many seconds does it take them to finish the pizza?\r
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document.write( "240 sec
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document.write( "360 sec
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document.write( "300 sec
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document.write( "330 sec \n" );
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Algebra.Com's Answer #535586 by basketball1127(19)![]() ![]() ![]() You can put this solution on YOUR website! Let x= 1 whole pizza\r \n" ); document.write( "\n" ); document.write( "A can eat x/10 of the pizza in 1 min \n" ); document.write( "B can eat x/15 of the pizza in 1 min \n" ); document.write( "Their grandfather can eat x/30 of the pizza in 1 min \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=300 seconds \n" ); document.write( " |