Solve. Round to the nearest tenth, if necessary.In the past ten years, the population of a city decreased from 105,000 to  Find the percent decrease.

A. 2000%
B. 5%
C. 4.8%
D. 95.2%


Answer: C

Mathematics

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A. 8x +  +  + . . .
B. 1 +  +  + . . .
C. 2 +  +  + . . .
D. 2 + 8x +  +  + . . .

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A. x(x + 5)2 B. (x + 5)2 C. x(x + 5)(x + 1) D. x(x + 6)(x + 1)

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Solve the problem.How many liters of a 30% alcohol solution must be mixed with 60 liters of a 80% solution to get a 40% solution?

A. 240 L B. 24 L C. 30 L D. 300 L

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Multiply. Simplify if possible.6 ? 6 ? 5

A. 216
B.
C. 182
D. 180

Mathematics