A. There is a total population of 128 mice living under a house. The mice have either gray fur or black fur.
If 47 of the mice have gray fur, what percentage of the mice have black fur?

Since 81 mice have black fur, around 63.28% (Approx. 68.3%) of the mice have black fur.

Explanation: Evaluate the question carefully. We have a population of 128 mice, and 47 of them have gray fur, and the rest have black fur. That means that the other mice, besides the 47, have black fur.

To calculate percentages, I come up with proportions. 81 black fur mice over the total mice is equal to x over 100.

To solve the proportion, cross multiply and then divide.

Round your answer to the nearest tenth.

%

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