The scale that Darnell used is required.
The scale that Darnell used is 1 inch equals 5 feet.
The length of the actual garden is 20 feet.
The scale drawing is 4 inches long
[tex]20\ \text{feet}=4\ \text{inches}[/tex]
Since, we are finding the inches to feet we divide the expression by [tex]4[/tex]
[tex]\dfrac{20}{4}\ \text{feet}=1\ \text{inch}[/tex]
[tex]1\ \text{inch}=5\ \text{feet}[/tex]
Learn more about scale diagrams:
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