document.write( "Question 883706: I have 20 coins. All of them are either one pound or 50 pence coins. They are worth £11.00. How many pound coins and 50 pence coins do I have. (Algebra) \n" ); document.write( "
Algebra.Com's Answer #533723 by Alan3354(69443)\"\" \"About 
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I have 20 coins. All of them are either one pound or 50 pence coins. They are worth £11.00. How many pound coins and 50 pence coins do I have. (Algebra)
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\n" ); document.write( "Thx for telling us it's Algebra, we might not have known that.
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\n" ); document.write( "p = pound coins
\n" ); document.write( "f = 1/2 pound coins
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\n" ); document.write( "p + f = 20
\n" ); document.write( "p + f/2 = 11
\n" ); document.write( "--------------------- Subtract
\n" ); document.write( "f/2 = 9
\n" ); document.write( "f = 18 50p coins
\n" ); document.write( "p = 2 \n" ); document.write( "
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