Sybrina jogged 2 miles in 30 minutes. at this rate, how far would she jog in 90 minutes? at what rate did she jog each hour?

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?

What is the distance between point a and b

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.