Maddy consistently swims a 1/4 of a 200 meter freestyle in 45 seconds. If she i continues this pace, how long would i take her to swim a full 200 meter freestyle?

$3$ minutes (or $180$ seconds)
It should take her $4$ times longer to swim the entire distance as it took her to swim $\frac{1}{4}$ of the distance.
$45 \text{ seconds"xx4=180 " seconds" = 3 " minutes}$