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timia618
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Pump 1 can empty a pool in 9 hours while Pump 2 can empty the same pool in 12 hours. If the two pumps worked together, how long would it take them to empty the pool?
 2 years ago
 2 years ago
timia618 Group Title
Pump 1 can empty a pool in 9 hours while Pump 2 can empty the same pool in 12 hours. If the two pumps worked together, how long would it take them to empty the pool?
 2 years ago
 2 years ago

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timia618 Group TitleBest ResponseYou've already chosen the best response.0
Solve the following inequality: 2x + 6 ≤ 5x  9
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
Pump 1 does 1/9 per hour and Pump 2 does 1/12 per hour
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
how many hours then together?
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
Work out how much the two are doing per hour together and u can easily get your answer...
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
about 5 hours about 5 hours and 10 minutes about 5 hours and 20 minutes about 5 hours and 30 minutes ?
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 1pool }{ 9 hours }*T hours + \frac{ 1pool }{ 12 hours}*Thours = 1 pool\] t/9 + t/12 =1
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
solve for t
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
you solved for t and got t=5?
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
how do i get the t?
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
multiply the whole equation by (9*12)
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
yes, multiply the whole equation by 108
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
it will be easier for you if you leave 108 as 9*12 , but do it however you like...
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
so the answerr is 5hr and 30mns
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
what did you get for t?
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
A plane traveling from Dallas to New York with a tailwind of 30 miles per hour takes 4.5 hours. Returning with the headwind, it takes the same plane 5 hours. What is the average speed of the plane in calm conditions? A plane traveling from Dallas to New York with a tailwind of 30 miles per hour takes 4.5 hours. Returning with the headwind, it takes the same plane 5 hours. What is the average speed of the plane in calm conditions?
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
go right to the answer, no agony \[\frac{9\times 12}{9+12}\]
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
i seriously doubt \[\frac{9\times 12}{9+12}=9\]
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
i got 5.1428567143
 2 years ago

timia618 Group TitleBest ResponseYou've already chosen the best response.0
so the answer is 5hrs?
 2 years ago
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