document.write( "Question 389647: Last one...*smiles*\r
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document.write( "\"Bubble Lights: These old-fashioned lights use the heat from a light bulb to make methylene chloride boil, thus providing bubbles. The company that manufactures these lights can only purchase 100% methylene chloride, but due to the dangerous characteristics of the chemical, they have to dilute it with distilled water to make a 75% methylene chloride solution. Then they add a dye to color the chemical before placing it in the tubes...\r
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document.write( "A. How much water is needed to dilute 4 gallons of 100% methylene chloride to make the 75% solution?\"\r
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document.write( "I got about 1.333333333333333333 gallons...?\r
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document.write( "And then...\r
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document.write( "\"B. A gallon of 100% methylene chloride costs $221. Distilled water costs the company $0.17 per gallon. If each bulb holds an ounce of fluid, how much does the company have to charge per bulb to break even?\r
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document.write( "I wasn't sure if they were just talking about 1 gallon of the 75% solution or the 4 gallons...\r
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document.write( "So, for the 1 gallon of 75% solution, I got about $1.30...\r
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document.write( "And for the 4 gallons of 75% solution, I got about $1.60...?\r
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document.write( "(When I was in middle school, I don't remember ever doing any kind of problems like these...oh my goodness...lol...*smiles*)\r
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document.write( "Thanks for all of your help! *smiles* \n" );
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Algebra.Com's Answer #276230 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Bubble Lights: These old-fashioned lights use the heat from a light bulb to make methylene chloride boil, thus providing bubbles. The company that manufactures these lights can only purchase 100% methylene chloride, but due to the dangerous characteristics of the chemical, they have to dilute it with distilled water to make a 75% methylene chloride solution. Then they add a dye to color the chemical before placing it in the tubes... \n" ); document.write( "A. How much water is needed to dilute 4 gallons of 100% methylene chloride to make the 75% solution?\" \n" ); document.write( "If 4 gallons is 75%, then the total solution is 4/0.75 = 5.333 gallons \n" ); document.write( "Add 4/3 gallons of water, = 1.333... \n" ); document.write( "I got about 1.333333333333333333 gallons...? \n" ); document.write( "----------------------- \n" ); document.write( "And then... \n" ); document.write( "\"B. A gallon of 100% methylene chloride costs $221. Distilled water costs the company $0.17 per gallon. If each bulb holds an ounce of fluid, how much does the company have to charge per bulb to break even? \n" ); document.write( "No density info is given. How many ounces are in a gallon of MCl ? \n" ); document.write( "-------------------- \n" ); document.write( "I wasn't sure if they were just talking about 1 gallon of the 75% solution or the 4 gallons... \n" ); document.write( "So, for the 1 gallon of 75% solution, I got about $1.30... \n" ); document.write( "And for the 4 gallons of 75% solution, I got about $1.60...? \n" ); document.write( " \n" ); document.write( " |