Since Jason started investing, he has earned the same amount he invested twice over in 5 months. If Jason's investment currently is worth $90, how much has he been earning per month from his investment assuming he has been earning an equal amount of returns each month?
Let's say Jason invested x amount of money.
Since Jason started investing, he has earned the same amount he invested twice over in 5 months, meaning he has earned x+2*x=$90.
This evaluates to 3x=$90.
The total amount of money that Jason invested is x=$90/3.
Jason invested x=$30.
The total amount of money that Jason has earned from his investments is $90-$30=$
<gadget id="calculator">90-30</gadget>
<output>60</output>
60.
If he earned an equal amount of money from the investment in five months, his monthly returns is 60/5=$
<gadget id="calculator">60/5</gadget>
<output>12</output>
12.

<result>12</result>