Answer
Answer:
$\frac{287}{820} = \frac{35}{100}$
Part = 287
Whole= 820
Percent = 35
Work Step by Step
$\frac{Part}{Whole} = \frac{Percent}{100}$
Now 35 % of mailboxes in 820 mailboxes is 287 mailboxes
i.e. $\frac{287}{820} = \frac{35}{100}$