The monthly salary of an employee this year is 2,100 LE. Find his salary after 8 years given he received a raise every year, giving the answer to the nearest pound.
The value of a brand-new car which cost 498,300 LE decreases at a rate of every year. Find the price of the car after 8 years giving the answer to the nearest pound.
On the first day, 42 litres of water are poured into a tank. Every day thereafter, three times as much water is poured into the tank as was poured on the previous day. On which day are 1 134 litres poured into the tank?