Respuesta :
1800-720=1080
He has 1080 miles left, he'll run 6 days per day so 1080/6=180
He won't need more than 180 days
Answer:
Step-by-step explanation:
Write and solve an inequality for d, the # of days:
720 mi + (6 mi / day)d ≥ 1800 mi. Then:
(6 mi/day)d ≥ 1800 mi - 720 mi, or (6 mi/day)d ≥ 1080 mi.
Solving for d, we get 1080/6 days: 180 days. If he runs 6 miles per day for 180 days, he will have covered 1800 miles. His running more days will, of course, increase the total number of miles covered.