So this year profit is 250% or 2.5 times greater than the profit the shop had last year.
Let x be the profit the shop had last year. To get this years profit, or 80000 $, we need to increase last years profit by 2.5 or:
2.5*x=80000.
Solve for x:
x=80000/2.5=32000
So last year profit was 32000 $.
