86%, 3/4, 0.682, 0.67, 5/8, 0.41
^ I converted the above to decimals first and then arranged them that way.
1/20 = 0.05 x 100 = 5%
-30 is the answer to your problem.
Square roots are the result of multiplying the number by itself for example take 5x5 = 25 that’s a result of a number when multiplying by itself.
Profit function - Cost function = Revenue function
685-85=600 would be 2 years of service.
600/2=300 would be 1 year.
300/12=25 would be 1 month. The monthly fee is $25.
