It takes maria 59 minutes to walk to her friends house 1 2/3miles away. what is

so you can just find the miles per minute first

1 2/3 ÷ 59

which is about 0.028 miles per minute

then multiply that number by 60 to find mph

1.68 mph is your answer

The Mean Value Theorem states that if a function f is continuous on the closed interval [a,b] and differentiable on the open interval (a,b), then there exists a point c in the interval (a,b) such that f'(c) is equal to the function's average rate of change over [a,b].