document.write( "Question 243432: a 12 foot tree casts a 16 foot shadow. How many feet tall is a nearby tree that casts a 20 foot shadow at the same time ? \n" ); document.write( "
Algebra.Com's Answer #178363 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
12/16=x/20 cross multiply.
\n" ); document.write( "16x=12*20
\n" ); document.write( "16x=240
\n" ); document.write( "x=240/16
\n" ); document.write( "x=15 ft. tall is the nearby tree.
\n" ); document.write( "Proof:
\n" ); document.write( "12/16=15/20
\n" ); document.write( "3/4=3/4
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