Answer:
400%
Step-by-step explanation:
Divide 6 inches by 1.5:
6/1.5 = 4
6 is four times 1.5
If 1.5 is considered 100%, 4 times 1.5 is 400%
164.38 = (1 x 100) + (6 x 10) + (4 x 1) + (3/10) + (8/100)
4+6+5=15
15-1=14
2/14
1/7