The amount he should put in the college savings account

Solution:
Given, income of Mark =

Percentage of amount in college savings account =

To find: The amount he should put in the college savings account
This can be solved in two methods as follows:
Method 1:
As given, Mark puts
of the total amount in the account
i.e.

On solving,

Method 2:
So, here assume that 100 corresponds to 2200
As given, Mark puts
of the total amount in the account


Hence, the amount is
