In Pensacola, Florida, the average rainfall
in the month of July is 7.40 inches. By
October, the average rainfall decreases by
35%. By December, the average rainfall
drops another 0.66 inches.
What is the average rainfall, in inches, in
December?
A. 1.64
B. 1.93
C. 4.15
D. 4.81

the average rainfall, in inches, in  December is 4.15 inch . Correct option C. 4.15 .

Step-by-step explanation:

Here we have , In Pensacola, Florida, the average rainfall  in the month of July is 7.40 inches. By  October, the average rainfall decreases by  35%. By December, the average rainfall  drops another 0.66 inches. We need to find the average rainfall, in inches, in  December .Let's find out:

In July  , rainfall was 7.40 inches . By  October, the average rainfall decreases by  35% i.e.

⇒

⇒

⇒

⇒

By December, the average rainfall  drops another 0.66 inches i.e.

⇒

⇒

Therefore, the average rainfall, in inches, in  December is 4.15 inch . Correct option C. 4.15 .

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step-by-step explanation:

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point