Cyril put a total of 1/8 lb of gravel into 6 fish tanks. he put the same amount of gravel into each tank. how many pounds of gravel did cyril put into each fish tank?

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?

Me find the value of x each figure.

Use sigma notation to represent the following series for 9 terms.