9/2 would be converted to 450%
To find the scale factor divide the bigger measurement by the smaller one.
You did number 17. 42 / 3 = 14 so your scale factor is 14, option D.
For number 18, 48 / 6 = 8 so option A.
The answer is 3 N=4 and P=3 N+P=7. No other two combinations will give you a rational number
<span>The distance varies between 670.1 million kilometers at their closest and 1172.7 million kilometers at their farthest.</span>
