Describe different situations in the real world that could be modeled and solved by a system of equations in two variables.
1 answer:
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Let,
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)
...................................equation (2)
Taking equation (2)
Substituting the value of "x" from equation (1), we get,
Cross multiplying, we get,
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Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get
So, the numbers are
and 
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)
Taking equation (2)
Substituting the value of "x" from equation (1), we get,
Cross multiplying, we get,
<u />
Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get
So, the numbers are