D) because only 4 is the common factor in the equation.
So its 45 for every visit so your x is the amount of visitsso 45x plus 25 each hour you could represent with a h so 25h
The question is asking you to write and solve an equation that includes 2 different sites (45*2) and how many hours itd take to achive 810 so 810 would be on the other side of your eqaul sign
I don't know what your story is, but in a story, usually a problem would build tension.
Hope this helps!! :)
Answer:
where is the grid?????................