mikkayladonovan mikkayladonovan
  • 01-10-2021
  • Mathematics
contestada

Onepipefillsastoragepoolin20hours.Asecondpipefillsthesamepoolin15hours.Whenathirdpumpisaddedandallthreeareusedtofillthepool,ittakesonly6hours.Findhowlongittakesthethirdpipetodothejob (byitself).

Respuesta :

jay71212
jay71212 jay71212
  • 01-10-2021

Answer:

20

Step-by-step explanation:

If the 3rd pipe takes x hours,

1/6 = 1/20 + 1/15 + 1/x

x = 20

Answer Link

Otras preguntas

what is the bill of rights
Which formula represents an unsaturated hydrocarbon? (1) C2H6 (3) C5H8 (2) C3H8 (4) C6H14
how much physical activity should an adult have each week
what is an expression that describes the relationship between each input and output
What is the molecular formula of a compound that has a molecular mass of 54 and the empirical formula C2H3? A. C2H3 B. C4H6 C. C6H9 D. C8H12
Why did the Founding Fathers replace the Articles of Confederation with the Constitution?
What opinion might a British soldier have had about the Boston Massacre?
What Are The Branches Of Botany?
An orbital of an atom is defined as the most probable location of(1) an electron (2) a neutron (3) a positron (4) a proton
the sum of 1/9 2/3 and 5/8 is