The perimeter of a rectangle id 192 ft. The ratio of its length to its width is 7:5. What are the dimensions of the rectangle?
1 answer:
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Answer:
Step-by-step explanation:
From the problem statement, we can setup the following equations:
where is the current age of Shobos and
is the current age of his mother.
Substituting the first equation into the second will allow us to solve for :
Substituting this value into the first equation gives us the age of the mother:
Answer:
≤ − 8
Step-by-step explanation:
-1 ≤ -3
4 ×(-1) ≤ 4 × -4×3
-4 × (-1) ≤ -x - 4×3
-4 ≤ -x - 12
x ≤ -12 + 4
x ≤ -8