the average rainfall, in inches, in December is 4.15 inch . Correct option C. 4.15 .
<u>Step-by-step explanation:</u>
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.
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By December, the average rainfall drops another 0.66 inches i.e.
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Therefore, the average rainfall, in inches, in December is 4.15 inch . Correct option C. 4.15 .