Answer:
5 3/4 hours remaining to meet his goal
Step-by-step explanation:
miles required to meet his goal = 13 1/2 miles
Miles ran on monday =3 1/2
Miles ran on Tuesday =4 1/4
Miles remaining to reach his goal =Total miles required - Miles ran on Monday and Tuesday
13 1/2 - ( 31/2 + 4 1/4 )
131/2 - 7 3/4
change to improper fraction for easy solving
27/2 -31/4
54-31 /4=23/4 =5 3/4 hours