SOLUTION: please help: Placing planks of equal length end to end, jules found that 3 planks were one foot short of the porch length, while 4 planks were two feet too long. How long was each

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Question 113755This question is from textbook Algebra I
: please help: Placing planks of equal length end to end, jules found that 3 planks were one foot short of the porch length, while 4 planks were two feet too long. How long was each planks? This question is from textbook Algebra I

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Call porch length P
Call planck length p
P+=+3p+%2B+1
P+=+4p+-+2
3p+%2B+1+=+4p+-+2
p+=+3ft answer
check:
P+=+3p+%2B+1
P+=+4p+-+2
P+=+3%2A3+%2B+1
P+=+10
P+=+4%2A3+-+2
P+=+10
OK