swabytonique929 swabytonique929

04-07-2020
Mathematics

contestada

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

a) 8
b) 9
c) 10
d) 11
e) 12

Respuesta :

surakshya666 surakshya666

04-07-2020

In my view option D but it can be wrong

Answer Link

Otras preguntas

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

How is it possible for Mercury to have frozen ice ?

(10y^3+20y^2+55y)/5y

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

how is mass transit in cities a possible solution tk urban air pollution?

what is the answer for (20,8),(9,16) ?

how is mass transit in cities a possible solution tk urban air pollution?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?