L = 11x
W = 7x
W = L - 20
Substitute 11x and 7x for L and W:
7x = 11x - 20
Solve for x and plug in the following to solve for length and width.
L = 11x
W = 7x
The length and width of the field as a ratio of 11:7. The width is 20 meters less than the length.
How many m2 is the area?
2 answers
Area = L*W