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omg pls help ill give you 20 points

Omg Pls Help Ill Give You 20 Points class=

Sagot :

Answer:

Step-by-step explanation:

Amount of water in tank 1 = amount of water in tank 2

30t +25  = -20t + 1000

Add 20t to both sides

30t + 20t + 25 = -20t + 20t + 1000

50t + 25 = 1000

Subtract 25 from both sides

50t + 25 - 25 = 1000 - 25

50t = 975

Divide both sides by 50

t = 975/50 = 39/2

  [tex]= 19 \frac{1}2}[/tex]

t = 19 minutes 30 seconds

After 19 1/2 minutes both tanks will have 610 liters of water