At the aquarium, each tank contains five fish. freddy wants to calculate the total number of fish at the aquarium. what variable is needed to calculate the total? a. t, the number of tanks at the aquarium b. f, the number of fish in each tank c. v, the number of daily visitors to the aquarium d. n, the number of new fish in the aquarium

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step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.