School lunch costs $1.25 per day. If there are 21 school days
2 answers:
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Answer:
Option B that is (2,6) is correct
Explanation:
We have been given with system of equations
and
Here, we will substitute the value of in
We will get
Further simplification we will get to
Hence, the value of
And now, substituting the value in
we will get
.
Therefore, option B is correct.