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3 January, 20:43

1. A tank has 25 gallons of chemicals in it. Chemicals were added to the tank at a rate of 7

gallons per second. Which equation models the relationship between t the number of

gallons of chemicals, and w, the number of seconds chemicals are being added to the

tank?

A T = 25w + 7

B. T = 32W

C. T=W + 32

D. T = 7w + 25

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Answers (1)
  1. 3 January, 22:12
    0
    D. T = 7w + 25

    Step-by-step explanation:

    There is already 25 gallons of chemicals in the tank. Any further chemicals being put in would add on to that 25 gallons. If 7 gallons per second are going into the tank then the expression would be T = 7w + 25
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