document.write( "Question 562879: If a hen and a half,
\n" ); document.write( "Lays an egg and a half,
\n" ); document.write( "In a day in a half,
\n" ); document.write( "How many eggs will six hens lay I seven days?\r
\n" ); document.write( "\n" ); document.write( "I came up with 21. 6*1 1/2=4*7=21
\n" ); document.write( "Is this right? \n" ); document.write( "

Algebra.Com's Answer #364715 by fcabanski(1391) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use ratios.

\n" ); document.write( "Start with 1.5 hens laying 1,5 eggs in 1.5 days. How many eggs do 1.5 hens lay in 1.5 days.

\n" ); document.write( "1.5/1.5 = x/1 |cross multiply
\n" ); document.write( "1.5x=1.5 so x = 1

\n" ); document.write( "1.5 hens lay 1 egg per day. How many eggs does 1 hen lay per day?

\n" ); document.write( "1.5/1 = 1/x | cross multiply

\n" ); document.write( "1.5x = 1 so x =1/1.5 = .666666666666667 = 2/3. Each hen lays 2/3 egg per day.

\n" ); document.write( "6 hens lay 6*2/3 = 12/3 = 4 eggs per days.
\n" ); document.write( "That's 7*4 = 28 eggs in 7 days.
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