math
posted by Hailey 5th .
What is the start time?
Start time:___
Elapsed time:3/4 hour
End time:10:30 A.M.
I need thee answer asap

3/4 hour = 45 minutes
When we subtract 30 minutes from 10:30, we get 10:00. Subtract 15 minutes from 10:00 to get the start time. 
Thank you for the help!

You're welcome.