Henriette M. answered 02/27/19
Effective Math Tutor Specializing in Middle School Math
Lst x be the number of minutes for the pools to be filled.
981 + 15.5 x = 42.75 x
- 15.5 x. - 15.5 x
981 = 27.25 x (divide both sides by 27.25)
x = 36 minutes
Ffirst pool contains 981 + 15.5 multiplied by 36 = 981 + 558 = 1,539 liters of water