document.write( "Question 1040383: Bacteria X has a growth rate of 160 % per hour. Some amount of bacteria X are accidentally introduced into some fruit salad. Two hours after contamination, there were 40,000 bacteria X in the fruit salad. \r
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document.write( "Find the initial number of bacteria X introduced into the fruit salad:
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document.write( "Estimate the number of bacteria in the food 3 hours after contamination.
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Algebra.Com's Answer #655253 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Bacteria X has a growth rate of 160 % per hour. \n" ); document.write( " Some amount of bacteria X are accidentally introduced into some fruit salad. \n" ); document.write( " Two hours after contamination, there were 40,000 bacteria X in the fruit salad. \n" ); document.write( " Find the initial number of bacteria X introduced into the fruit salad: \n" ); document.write( "let Ao = initial amt of bacteria \n" ); document.write( "t = 2 hrs \n" ); document.write( "1.6 = the decimal form of 160% increase \n" ); document.write( "Ao*1.6^2 = 40000 \n" ); document.write( "using the calc \n" ); document.write( "Ao*2.56 = 40000 \n" ); document.write( "Ao = 40000/2.56 \n" ); document.write( "Ao = 15625 amt of bacteria initially \n" ); document.write( ": \n" ); document.write( "Estimate the number of bacteria in the food 3 hours after contamination. \n" ); document.write( "A = 15625*1.6^3 \n" ); document.write( "A = 15625*4.096 \n" ); document.write( "A = 64000 after 3 hrs \n" ); document.write( " \n" ); document.write( " |