SOLUTION: the rectangular backyard in betsys new house is four times as long as it is wide. if the area of the backyard is 100 square feet,find the length and width

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Question 889677: the rectangular backyard in betsys new house is four times as long as it is wide. if the area of the backyard is 100 square feet,find the length and width
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
Here's one way to do it:
L * W = Area
L * W = 100
Factors of 100 are:
50,2
25,4
20,5
10,10
Which fits the formula L = 4W?
Only 20 and 5.
L = 20, W = 5