The price changed in this market will be mathematically given as
P=93
P = 123 - 3Q
Generally, the equation for the statement is mathematically given as
P = 123 - 3Q
Therefore
[tex]\frac{d \pi}{ d \Q1}[/tex]=123-6Q1-30Q2-3=0
Where
Q1=120-3Q2/6
Hence
Q1=120-3(120-3Q1/6)/6
Q1=13.333
In conclusion,
P = 123 - 3(2*13.333)
P=93
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