The length of a rectangle is 2 km less than 3 times the width. If the perimeter is 68 km,What is the length of the rectangle
1 answer:
Answer:
The length of the rectangle is 25 km
Step-by-step explanation:
Let
x ----> the length of rectangle
y ----> the width of rectangle
we know that
The perimeter of rectangle is

we have

so

simplify
---- > equation A
---> equation B
substitute equation B in equation A and solve for y





Find the value of x
therefore
The length of the rectangle is 25 km
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