4x + 12
2x - 5
-----------
6x+7
does this help at all?
It’s easier to see and solve if you draw the picture
To find LD you need to subtract CD to CL
CD - CL = LD
14.2 - 5.3 = 8.9
=> LD = 8.9
Answer:

Step-by-step explanation:
From the question, we understand that the number is n.
Three less than n is:

The square is:

The square equals 7;
So, we have:

You'd make a total of $25,125.46 and the interest is $11,125.46