Answer:
121500 twins birth
Explanations:
In order to determine the number of birth in 2000, we will use the expressionn as shown:

Note that the total percent of twins birth initially is 100%
x is the approximate twin births in 2000.
Simplify the result to determine the value of x

Divide both sides by 1.14

Hence the total number of twin birth in 2000 were approximately 121500 twins birth