A homing pigeon flew a distance of 120 miles in 4 days. If it flew x miles in the first 3 days, write an expression to tell how many miles it flew on the last day.
120 miles = X miles
-------------- ----------
4 days. 3days
120 miles X 3 days
----------- = 90miles
4 days
days/days = 1
Check:
120 = 90
----- ---- 30 = 30 \✅
4. 3
