he payed 3,000 in hand payment then gave checks per...mnth for 6 years to equal the needed amount
The answer will be option 2. 10^4.
First, you would create an equation for this problem.

=

Next, you would cross multiply.
15x = 1,800
Now, you would isolate the x. To do this, you would divide both sides by 15.
x =
120It is a 120% increase. I hope this helps!