What exactly are you asking here?
Y = 1.50x + 4......x = 7
y = 1.50(7) + 4
y = 10.50 + 4
y = 14.50 <===
The answer would be 90 because it takes 60 days to become a half-life so the the half of 720 is 360 the 180 then 90
Your answer is 90. Hope that helps!
Answer:
-6m+8n-6=0
Step-by-step explanation:
