What is the difference between an image under a dilation centered at the origin under a of scale factor 0 < k < 1 and an image under a scale factor k > 1?

When y’all answer can y’all explain too !

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls