A carpenter uses 12 nails for each board. If there are 48 nails in a pound, how many pounds would be used for 100 boards

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?