Question: 1. World reserves of mineral M are observed to have declined from 830 million tonnes to 675 million tonnes over the last 25 years. Assuming this decline to have been continuous, calculate the annual rate of decline and then predict what reserves will be left in 10 years' time.
2. An economy's GNP grows from e5,682 million to e5,727 million during the first quarter of a new government's term of office. If this growth rate persisted through its entire term of office of 4 years, what would GNP be at the time of the next election?