Final answer:
The actual area of Joanne's garden bed, calculated using the given scale ratio of 4 inches to 5 feet, is 625 square feet.
Step-by-step explanation:
To find the actual area of Joanne's garden bed, we first need to convert the measurements given in the scale drawing to real-world measurements using the provided scale ratio. The scale ratio given is 4 inches on the drawing to 5 feet in reality. Therefore, each inch on the drawing represents 1.25 feet (since 5 feet / 4 inches = 1.25 feet per inch). We calculate the actual length and width as follows:
- Actual length: 16 inches * 1.25 feet/inch = 20 feet
- Actual width: 25 inches * 1.25 feet/inch = 31.25 feet
Now, to find the area of the actual garden bed, multiply the actual length by the actual width:
Area = 20 feet * 31.25 feet = 625 square feet.