Problem

Between 2007 and 2020 , the number of twin births in a certain country decreased by $12 \%$, 10 approximately 104,720 . About how many twin births were there in 2007 ?
There were approximately $\square$ twin births in 2007.
(Simplify your answer. Round to the nearest integer as needed.)

Answer

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Answer

Final Answer: There were approximately \(\boxed{872,667}\) twin births in 2007.

Steps

Step 1 :Let's denote the number of twin births in 2007 as \(x\). The decrease of 12% from 2007 to 2020 can be represented as \(0.12x\). According to the problem, this decrease is equal to 104,720. So we have the equation \(0.12x = 104,720\).

Step 2 :Solving this equation for \(x\) will give us the number of twin births in 2007.

Step 3 :The solution to the equation is approximately 872,667. This means that there were approximately 872,667 twin births in 2007.

Step 4 :Final Answer: There were approximately \(\boxed{872,667}\) twin births in 2007.

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