.The measures of the angles of a triangle are in the extended ratio 6: 1: 5. What is the measure of the largest angle?​

In 1950, scientists estimated a certain animal population in a particular geographical area to be 6,400. in 2000, the population had risen to 7,200. if the animal population experiences the same percent increase over the next 50 years, what will the approximate population be? a) 8,000 b) 8,100 c) 8.400 d) 8.600