A town's population is increased by 1200 people, and then this new population decreased 11% . The town now had 32 less people than it did before 1200 increase. Find the original population.
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If x is the original population, then
⇒x+1200−0.11(x+1200)=x−32
⇒1200−0.11x−0.11×1200=−32
⇒0.11x=1200−132+32
⇒x= 1100 /0.11
⇒x=10,000.
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