A stock lost 7 1/8 points on Monday and then another 1 7/8 on Tuesday. On Wednesday it gained 13 points. What was the most gain or loss of the stock for these three days

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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?