The size of the rat population of a wharf area grows at a rate of 8% monthly. If there are 400 rats in June, find how many rats should be expected by next June

Solution

Solution

Amount after addition : 432

Solution steps

Translate the problem into an equation:

x = 400 + 0.08 \cdot 400

x = 400 + 0.08 \cdot 400 : x = 432

Amount after addition : 432

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