document.write( "Question 316228: sam invested 2,000 at 5.25% annual interst rate and 3,000 at 8.5% interest rate. What percent interest is he earning on his total investment?
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\n" ); document.write( "\n" ); document.write( "if susanne drives for 2hrs for 80km/h, how fast must she drive during the next hour to have an average speed of 75km/h
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\n" ); document.write( "\n" ); document.write( "a chemist wants to mix some pure acidwith some water to produce16 L of a sulotion that is 30% acid. how much pure acid and how much water should be mixed
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\n" ); document.write( "\n" ); document.write( "if kelly bikes for 2hrs at 30km/h an hour and for 2hrs at 20km/h, what is the average speed for the whole trip?
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\n" ); document.write( "\n" ); document.write( "rita takes 3hrs to type a report. what part part of the typing can she do in 2hrs.?
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\n" ); document.write( "\n" ); document.write( "jake can wallpaper a room in 10hrs and laura can do it in 8hrs. what part of the job can they do by working together for 2.5hrs?
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Algebra.Com's Answer #226179 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
Sorry, not doing your entire homework assignment for you. One problem per post. \n" ); document.write( "
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