whitney is training to ride her bicycle in a big race. The table below shows hiw many miles she rides each day of one week

Answer: C (24.5 miles more)
Step-by-step explanation:
on Friday she rode 42.4 miles
on Tuesday she rode 17.9 miles
you just subtract Tuesday’s miles from Friday’s miles
42.4 - 17.9 = 24.5
so, C