Answer:
I think the answer would be +15.
Step-by-step explanation:
Total amount of Carbon-14



=C
Full marks answer
Question:
A hot air balloon has an altitude of 100 ½.
answer:
what’s the catch, is there anymore to this problem?
explanation:
therefore, I can’t help you, sorry.
Step-by-step explanation:
Therefore, 55+40+z=180
z=180-95
z=85
To get y,
z+y=180
85+y=180
y=95