Equation: a number decreased by 5 is equal to 10 (seperate eqaution) the sum of a number and 12 is the same as twice the number.

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?

Write an expression that represent sarah’s total pay last week. represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?