2 to the 3rd power (2^3) times x to the second (x^2)
Step-by-step explanation:
Multiply the first equation by 7 and the second by 2
For this case we can solve the problem by means of the following rule of three:
100 $ --------------> 100%
x -------------------> 250%
From here, we clear the value of x.
We have then:
Rewriting we have:

Answer:
The price of a four star dinner today is $ 250.