Please help! (Struggling) :(

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?