Add those together is 7/10
2% , 5% , 10% are the errors in that
Answer:
This ans is easily solved by using algebraic identities a²- b² = (a+b) (a-b)
Step-by-step explanation:
1. convert into Identity
2. solve quadratic equation that formed.
The answer would be 19. If u have a calculator you can just plug it in though