The table shows information about the ages of 100 runners.
cCalculate an estimate of the mean age of these runners.
quadratic equation whose roots 6 and -5
quadratic equation whose roots 2 and -1/2
10 1/2 divide by 20 1/4
find compound interest for 4000 rupees at 10 percent for 2 1/2 years
quadratic equation roots are 2 and -1/2
96 1/4 divide by 3 1/2
form an equation whose roots are 2 and -1/2
8 x 4 + 8 รท 5 - 53 = N
12 3/4 divide by 1 1/2