Answer:
100° 31' 09"
Explanation:
There are 60 seconds in a minute, and 60 minutes in a degree.
75°38'54" +24°52'15" = (75+24)° (38 +52)' (54 +15)"
= 99° 90' 69"
= 99° 91' 09" . . . . . turn excess seconds into a minute
= 100° 31' 09" . . . . turn excess minutes into a degree