Let, the amount of money grade 2 raised be $x.
Given, grade 4 raised $112 more than grade 2.
So the amount of money grade 4 raised = $(
).
Also given, grade 3 raised $84 more than grade 4.
So the amount of money grade 3 raised = $(
).
In the problem given, grade 3 raised $360.
We can write the equation as,


We can get x by moving 196 to the right side. As 196 is added there so we will subtract 196 from both sides to get x.



So we have got the required answer.
Grade 2 raised $164.