document.write( "Question 177715: #1.Paul invested his $33,000 bonus and received a total of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did he invest at each rate?\r
\n" ); document.write( "\n" ); document.write( "#2. Adult tickets were sold for $3 and student tickets sold at $2. If the total receipts were $824 and twice as many adult tickets as student tickets were sold, then how many of each were sold?
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Algebra.Com's Answer #132719 by stanbon(75887)\"\" \"About 
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#1.Paul invested his $33,000 bonus and received a total of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did he invest at each rate?
\n" ); document.write( "Interest Equation:
\n" ); document.write( "interest + interest = interest
\n" ); document.write( "0.04x + 0.0225(33000-x) = 970
\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "4x + 2.25(33000) -2.25x = 97000
\n" ); document.write( "4x + 74250 - 2.25x = 97000
\n" ); document.write( "1.75x = 22750
\n" ); document.write( "x = 13000 (amt. invested at 4%)
\n" ); document.write( "33000-x = 20,000 (amt. invested at 2.25%)
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\n" ); document.write( "\n" ); document.write( "#2. Adult tickets were sold for $3 and student tickets sold at $2. If the total receipts were $824 and twice as many adult tickets as student tickets were sold, then how many of each were sold?
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\n" ); document.write( "Since adult tickets are more numerous a = 2s
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\n" ); document.write( "ValueEquation:
\n" ); document.write( "2s + 3(2s) = 824
\n" ); document.write( "8s = 824
\n" ); document.write( "s = 103 (# of students tickets sold)
\n" ); document.write( "a = 2s = 206 (# of adult tickets sold)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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