Answer:
2 hours, 15 minutes
B.
Step-by-step explanation:
3:30 to 5:30 is 2 hours elapsed time.
5:30 to 5:45 is 15 minutes elapsed time.
2 hrs + 15 mins =2 hrs 15 mins.
From equation 2
x = 6+3y
substitute x = 6+3y into equation
2x-6y=-18
2(6+3y)-6y=-18
12+6y-6y=-18
6y-6y=-18-12
0=-30 (nothing to solve for)
Step-by-step explanation:
hope it helps you........