Answer:
Total distance traveled in both the months altogether is 452 miles.
Explanation:
Matt biked the distance last month = 345 miles
Distance biked by Matt this month = 107 miles
Distance biked by Matt last month and this month altogether = distance traveled this month + distance traveled last month
= 345 + 107
= 452 miles
Therefore, Matt has biked total distance of 452 miles months together.