Population of a country was 1.077 x 10^8. The population of world was 5.925 x 10^9. How many people lived outside of country and what percentage of worlds population lived in the country?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?