It is reported that the wild tiger population has declined by 97% over the last 20 years. There are now 3200 tigers left in the wild. tTo the nearest thousand ,how many wild tigers were there 20 years ago?
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given number of tigers declined by 97% in last 20 years
and after 20 there are 3200 tigers left
let number of tigers before 20 years be x
=X-97% = 3200
x = 3200- 97/100
x = 3103
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