Two taps running together can fill a tank in 3 1/13 hours One tap takes 3 hours more than the other to fill the tank.

Let the time taken by the faster tap to fill the tank be t hours

Write an equation in t.

Note: You don’t need to input the equation in quadratic form.

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

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