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

a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. what is its density? a. 638 g/cm3 b. 6240 g/cm3 c. 0.0773 g/cm3 d. 7.
What is 3.6 in simplest form as a fraction
integers can be written as the product or quotient of two integers?
Select the equation that most accurately depicts the word problem. A 3-pound tub of butter at n dollars per pound costs $3.85
A paleontologist is trying to study the DNA of a fossil from an extinct animal called X. He has formulated three hypotheses. Which hypothesis CANNOT be tested?
True of false is 9.1 largger than √82
india capital and Pakistan capital and
Rename the number 9,200
what structure is common to all six kingdoms of living organisms
if x is the number of tickets sold and y is your profit write an equation to show the profit based on the number of tickets sold