document.write( "Question 980554: I need to mix a cleaning solution that would spray out of a bottle and contain 70% rubbing alcohol to clean lab surfaces. To save cost, it makes sense to add water to some amount of alcohol yet maintain the 70% level. Average spray bottles likely hold about 25 fl ounces or what about 800 ml? What should my solution look like? Thank you. Leann \n" ); document.write( "
Algebra.Com's Answer #601695 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! add water to some amount of alcohol yet maintain the 70% level. \n" ); document.write( " Average spray bottles likely hold about 25 fl ounces or what about 800 ml? \n" ); document.write( " What should my solution look like? \n" ); document.write( ": \n" ); document.write( "let x = amt of alcohol to be removed and amt of water to be added \n" ); document.write( "Lets use an amt of alcohol to be 25 oz \n" ); document.write( "25 - x = .7(25) \n" ); document.write( "25 - x = 17.5 \n" ); document.write( "-x = 17.5 - 25 \n" ); document.write( "-x = -7.5 \n" ); document.write( "x = 7.5 oz of alcohol removed and 7.5 oz of water added maintaining a 25 oz bottle \n" ); document.write( " |