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3 years ago

5

They won 3 out of every 4 home games and 2 out of every 3 away game. All together they won 40 more games than they lost. If they

played as many home games as away games, what was their final record of wins and losses?

1 answer:

lina2011 [118]3 years ago

5 0

See https://web2.0calc.com/questions/help-please_82538.

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Akimi4 [234]

Answer:

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Step-by-step explanation:

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2 years ago

A tank contains 1000 L of pure water. Brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 L/mi

Margaret [11]

Answer:

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Step-by-step explanation:

Data

Brine a (Ba)

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Brine b (Bb)

$V_{Bb}=10\frac{Lt}{min}\\ Concentration(Bcb)=0.04\frac{Kg}{Lt}$

we have that per every minute the amount of solution that enters the tank is the same as the one that leaves the tank (15 Lt / min)

, then the amount of salt (y) left in the tank after (t) minutes: $y=V_{Ba}*B_{ca}+V_{Bb}*B_{cb}=5\frac{Lt}{min}*0.05\frac{Kg}{Lt}+10\frac{Lt}{min}*0.04\frac{Kg}{Lt}=\\0.25\frac{Kg}{min}+0.4\frac{Kg}{min}=0.65\frac{Kg}{min}$

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b) $y(40)=0.65\frac{Kg}{min}(40min)=26Kg$

being y(t) the amount of salt (y) per unit of time (t)

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2 years ago