Answer:
14.46
Step-by-step explanation:
first hour: 35.7
2 hour: 30.34
3 hour: 25.79
4 hour: 21.93
5 hour: 18.64
6 hour:15.85
7 hour:14.46
The given ratio is
9 is the common factor of 18 and 27
divide numerator and denominator by 9
hence is proportion with
1/4, 0.25
13/40, 0.325
1/25, 0.04
3/4, 0.75
13/200, 0.065
1 1/4, 1.25
1/8, 0.125
1/500, 0.002
3/400, 0.0075
107/100, 1.07
21/10, 2.10
9/40, 0.225