40% of 50 is 20. So, 20/50 students who take the random sample prefer chocolate over vanilla ice cream. In order to find the number of students who prefer chocolate over vanilla ice cream out of 200 students in total, it is best to set up a proportion. Here: 20/50=x/200. Once you solve the proportion you will get x as 80.
Hope the explanation helped!
I had the same problem but it worked fine for me after i uninstalled and reinstalled maybe use socratic for sometime
C has a negative answer. hope this helps
<span>(3/4)*(5z+16)
((3/4) * 5z + </span>(3/4) * 16<span>)
3.75z + 12
is that the answer you are looking for?
if you want me to solve for "z" I can but you are asking for an expression not to solve...</span>