Iwill give 10 pt to who ever answer the question
below correctly and in your own words.

–56 – (–27.07)=?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.