1) 16 is 45% of what Number 2) 5 is what percent of 18 ?
my teacher gave us the answer but can you show how you did it the Cross multiply method thank you

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)