Answer:
4g = 8
You would just have to divide 4 on both sides. The 4's would cancel out and now your left with 8÷4 = 2
Your answer would be
g = 2
Her mother is 40 years old because 10 times 4 equals 40 because it’s adding 10 times in a row like 10 + 10 + 10 + 10 = 40
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
