Are the ratios 20:4 and 5:1 equivalent?
2 answers:
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Answer:
<h2>(55/27, 32/9)</h2>Step-by-step explanation:
The system of equations is
The first step is to arrange like terms in colums, which is already done.
Then, we need to multiply a number by one equation in such way where we get opposite like terms. Notice that we need to multiply the first equation by -1
Then, we sum equations to obtain the value of one variable.
Now, we use this value to find the second variable
Therefore, the solution is (55/27, 32/9).
(The image attached shows the graphic solution)
