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Solve the following inequality: 2x + 6 ≤ 5x - 9

Pump 1 does 1/9 per hour and Pump 2 does 1/12 per hour

how many hours then together?

Work out how much the two are doing per hour together and u can easily get your answer...

\[\frac{ 1pool }{ 9 hours }*T hours + \frac{ 1pool }{ 12 hours}*Thours = 1 pool\]
t/9 + t/12 =1

solve for t

5 hours?

you solved for t and got t=5?

idk

how do i get the t?

multiply the whole equation by (9*12)

108

yes, multiply the whole equation by 108

it will be easier for you if you leave 108 as 9*12 , but do it however you like...

so the answerr is 5hr and 30mns

what did you get for t?

go right to the answer, no agony
\[\frac{9\times 12}{9+12}\]

so its 9

i seriously doubt
\[\frac{9\times 12}{9+12}=9\]

i got 5.1428567143

so the answer is 5hrs?