The order of division determines the numerator and the denominator and this can effect the value. And example of this:
3/2 = 1.5
2/3 = 0.6667
Whereas, multiplication is not affected by the order:
2 x 3 = 6
3 x 2 = 6
The 2nd answer
looking at the graph
when she was born she was 0 years old. and at the 0 year, the height is at 30 in