What two number multiplied equals 3000 and added equal 80?

Uanita borrowed $600 to purchase a new computer. she was charged 7% interest for two years. she used the simple interest formula to find the interest. i = 600(7)(2) what error did juanita make and how will her error affect the interest she calculates? explain.

Which system of linear inequalities is graphed? can somebody pleasssse

5/6+7/8what is the answer sealsdbdbshd