SOLUTION: A rectangle with 90 square inches has length that is 2/3 of the width plus 4 inches. What are the lenght and width.
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Question 27994: A rectangle with 90 square inches has length that is 2/3 of the width plus 4 inches. What are the lenght and width. I know the answer through common sense they are width of 9 inches and length of 10 inches. How do I show how I got those answer with only the info above.
Thank you,
Dale
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Width = x
Length =
Formula:
Remove fraction by multiplfing the equation by 3
a=1, b = 6 c=-135
or
remove the negative
x=9
= 10
Hence, the width is 9cm and the length is 10 cm.
Paul.
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