He is not correct because when you multiply 30 by 3 1/3 you get 100, 24x 3 1/3= 80, not 70.
Hope this helps :)
The answer is D. "x=-15 or 15."
You can solve this by adding seven on both sides.
|x|-7=8
+7 +7
------------
|x|=15
Therefore, x is either equal to 15 or -15.
<span><span>the answer is 10<span>x^7</span></span><span>y<span>^2</span></span></span>
5/4 or 1 1/4
Solve -2 + 3/4= 1.25
