Kristin jogs around a park that has a perimeter of 1/2 mile. kristin jogged around the park 4 times in 50 minutes. what is the unit rate of kristin's speed?

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%