Find the area of a rectangle if its length is 42 inches, which is 140% of the width.
| July 3, 2021 | education
The first step is to calculate the width of the rectangle:
42 dm – 140%,
? dm – 100%.
1) 42 dm * 100: 140 = 4200 dm: 140 = 30 dm width of the rectangle.
The second step is to calculate the area of a rectangle using the formula the product of its length and width:
2) 42 dm * 30 dm = 1260 dm2.
Answer: the area of the rectangle is 1260 dm2.
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