The question asks us to calculate how far Ellis rode his bicycle today if he usually rides 5 4/5 miles a day but today rode only half his usual distance. First, let's convert 5 4/5 miles to an improper fraction, which is 29/5 miles. Now, to find half of this distance, we divide by 2:
Convert mixed number to improper fraction: 5 4/5 = (5 × 5) + 4 = 25 + 4 = 29/5 miles.
Calculate half the distance: (29/5) / 2 = 29/(5 × 2) = 29/10 = 2.9 miles.
So today, Ellis rode 2.9 miles.
Ellis usually rides 5 \frac{4}{5} miles, which is equivalent to 5 29 miles. Today, he rode half of this distance, resulting in a total of 2.9 miles. Thus, Ellis rode 2.9 miles today.
;