China's average population growth (per year) in the 60s was about 1.94%, in the 70s about 1.78% and in the 80s about 1.43%. Which of the following is true? (Multiple solutions can be selected.) The average yearly population growth over the three decades was 1.7164%, since (1.0194 x 1.0178 x 1.0143) 1/3 1.017164 The average yearly population growth over the three decades was 1.7029%, since (1.94 x 1.78 x 1.43) 1/3 1.7029 The average yearly population growth over the three decades was about