One year, the population of a city was 193,000. Several years later it was 162,120. Find the percent decrease.
1 answer:
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First isolate by subtracting 1 from both sides of the equation.
That gives you .
From here, since x is being divided by 2, multiply both sides of the equation by 2.
So <em>x = 10</em>.
Work is attached in the image below.
