Question

(DO NUMBER 7 ONLY)

7. Tropical Storm Ava brought heavy rain to
Galveston, TX. The table shows the linear
relationship between the total inches of rainfall
and time in hours. Calculate the rate of change
of rainfall per hour.
12
6
18
24
Hours
Rain (inches)
13.5
a
18
4.5

Answer 1

The answer is : fir every hour , rainfall falls 3/4 of an inch which is the same as 0.75 of an inch an hour .
Proof: 6/4.5=1/x
6x/6=4.5/6
x=0.75