Which of the following is equal to $\sqrt{75}$ ?
$5\sqrt{3}$
$7.5\sqrt{10}$
9
$3\sqrt{5}$
If 80% of a number is 240, what is 125% of the number?
$ \small 250$
$ \small 325$
$ \small 375$
$ \small 300$
$ \small 200$