If square klmn is dilated by a scale factor of 1 5 with a center of dilation at the origin, how does the area of k'l'm'n' compare with the area of klmn?

Anyone know? will mark brainliest if correct

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much