the answer to this question would be 12 and 1/8
5 + -6m + mX,
If you like, I can explain a bit more!
A) The dishwasher uses the most energy.
B) The coffee maker produces heat which is a useful form of energy. The machine also produces sound which is an unwanted form of energy. This coffee maker has a voltage of 230V.
C) The power rating (W) is 230 times larger than the current used (A).
We have the representation of this problem in the figure below. As we have a 10.3 mile race, then the equation is fulfilled as:

We know that there is <span>a water station that is twice as far from the starting line as from the finish line, then:
</span>

So:

∴

and

<span>Finally, the distance of the runner from the finish line is:
</span>
D, multiply the previous value by 3