Answer:
391
Step-by-step explanation:
First you must make the fraction a decimal so you can use it in an equation.
To do so move the . over to the left twice.
.68
Now multiply 575 by .68
575 x .68=391
They will need to be it on day 250 because 500/2=250
Hope this helps
Have a happy holidays
ANSWER

EXPLANATION
The parent square root function is

The translation

Will shift the graph of f(x) k units to left.
The translation

will shift the graph of f(x) to the right by k units.
Therefore if f(x) is shifted 4 units to the left its new equation is:
