Question

9. Two pipes running together can fill a tank in 6 minutes. If one pipe takes 5 minutes more than the other to fill the
tank separately, then the quadratic equation represents this situation is
(a) x² + 3x - 30 = 0 (b) x2 - 7x - 30 = 0 (C) + 7x + 30 = 0 (d) x + 3x + 30 = 0
​

Answer 1

Answer:

Hey!!

The answer to your question is:

(b) x²–7x–30=0