Answer:
7.39
Step-by-step explanation:
<span>0.75 (1/2x) = 60
60/3 is 20, which is 25% of her remaining money,
So her total remaining money is $80.
Then 80 x 2 = 160</span>
The half life is 138 days, meaning exactly half of the material will decay after this time. Use this information to find the decay factor
:

Then after 250 days, there will be

grams left.
Answer:
x>-5
Step-by-step explanation:
First, we need to isolate the variable. To start doing this we can add five to both sides. We now have -3x<15. We then have to divde by -3. When working with inequalites you flip the inequality sign when dividing by a negative number. That then leaves us without answer, x>-5.
Answer:
55%
Step-by-step explanation:
(33/60) * 100
leave a comment if u need further explanation