1. The population of City A increased by 12,360 in five years. What was the average increase per year?
2. The flight time of a Space Shuttle mission was 78 hours and 20 minutes. About how many days did the crew spend in space?
3. The temperature at noon on Planet X for seven successive days were 78, 84, 58, 66, 72, 69 and 60 °C. What was the average temperature?
4. Ronald weighs 56.20 kilograms. This is four times the weight of his nephew. What was the weight of his nephew?
5. A daily newspaper cost PHP 600 for a month subscription. How much is the cost per issue of the newspaper?