document.write( "Question 889483: A 3-foot tree is planted, and it grows 4 feet per year. If another 3-foot tree is planted two years later but it grows at 5 feet per year, how many years after the second tree is planted will it take to catch up to the first tree? \n" ); document.write( "

Algebra.Com's Answer #538193 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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A 3-foot tree is planted, and it grows 4 feet per year.
\n" ); document.write( " If another 3-foot tree is planted two years later but it grows at 5 feet per year,
\n" ); document.write( "how many years after the second tree is planted will it take to catch up to the first tree?
\n" ); document.write( ":
\n" ); document.write( "let y = number of yrs after the 2nd one is planted, they will be the same ht
\n" ); document.write( ":
\n" ); document.write( "5y + 3 = 4(y+2) + 3
\n" ); document.write( "5y + 3 = 4y + 8 + 3
\n" ); document.write( "5y - 4y = 8 + 3 - 3
\n" ); document.write( "y = 8 yrs they will be the same
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check
\n" ); document.write( "5(8) + 3 = 43 ft
\n" ); document.write( "4(8+2) + 3 = 43 ft \n" ); document.write( "

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