document.write( "Question 144436: YESTERDAY YOU BOUGHT A HUGE WATERMELON THAT WEIGHS 100 POUNDS. A WATERMELON IS 90% WATER. YOU LEFT IT OUTSIDE IN THE HOT SUN. SOME OF THE WATER EVAPORATED, SO IT IS NOW 80% WATER. HOW MUCH DOES THE WATERMELON WEIGH NOW? \n" ); document.write( "
Algebra.Com's Answer #105173 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! YESTERDAY YOU BOUGHT A HUGE WATERMELON THAT WEIGHS 100 POUNDS. A WATERMELON IS 90% WATER. YOU LEFT IT OUTSIDE IN THE HOT SUN. SOME OF THE WATER EVAPORATED, SO IT IS NOW 80% WATER. HOW MUCH DOES THE WATERMELON WEIGH NOW? \n" ); document.write( "-------------- \n" ); document.write( "The melon starts with 0.9*100 = 90 lbs of water and 10 lbs of \"other\". \n" ); document.write( "-------- \n" ); document.write( "After reduction its \"other\" is 20% of its weight. \n" ); document.write( "---------- \n" ); document.write( "Let it's weight now be \"x\" lbs. \n" ); document.write( "EQUATION: \n" ); document.write( "0.20x = 10 lbs \n" ); document.write( "x = 10/0.2 = 50 lbs. (it's weight now is 50 lbs.) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |