Jenna ran 2 7/8 kilometers each day for a week. how far did she run in all? give in estimate, then find the actual amount. show your work.

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%