Answer:
I hope I'm right in my answer to that
-0.91 is mostly likely the correlation coefficient for the set of data shown
1/2 & 3/10 .. in simplest form
It says Sandeep has twice as much as Sonia. Thus, let Sandeep's amount be 2x and Sonia's amount be x.
Now, together they have 150.
Thus, the equation;
x+2x=150
Now let's solve the equation;
3x=150
x=150/3
x=50
Thus, Sonia has 50
Search it in Google I just found it