Share: Title:A pump can drain a pool in 7 hrs. Another pump can drain it in 9 hrs. Both pumps together will take? Duration: 16:15 Plays: 216K views Published: 5 months ago Download MP3 Download MP4 Simillar Videos ▶️ 15:11 Learn Fractions In 9 Minutes! 216K views • 11 months ago ▶️ 17:54 The Algebra Step That Everyone Gets Wrong! 216K views • 11 months ago ▶️ 9:26 75% Will Get Wrong: (zero To 2nd Power) – (zero To Zero Power) = ? No Calculator 216K views • 1 year ago ▶️ 22:43 (4 – 6) Times (6 – 4) Minus 1 =? A Basic Math Problem Many Will Get Wrong! 216K views • 8 months ago ▶️ 14:22 Solve 2 To The X = 9 , What Is X=? Can You Solve This Type Of Algebra Equation? 216K views • 1 month ago