Answer:
7
Step-by-step explanation:
15-8=7 this is how you answer it
11.5 and 3.5
a+b=15
a-b=8
equating them we get,
2a=23
a=11.5
placing value of b in a-b=8
11.5-b=8
b=3.5
I'm pretty sure it is d, 5/22
Answer: 8 6/8
Im almost positive if im wrong please someone correct me.
