Tyler is building a fish tank in the shape of a sphere that has a diameter of 18 inches. based on tyler's research, it is recommended to have no more than 1 goldfish for every 693 cubic inches of water. how many goldfish should tyler buy for his fish tank?
answer!

The maximum number of goldfish should Tyler buy for the tank is 4

Step-by-step explanation:

step 1

Find the volume of the tank

we know that

The volume of the sphere is equal to

we have

-----> the radius is half the diameter

assume

substitute

step 2

Find many goldfish should Tyler buy for his fish tank

using proportion

The maximum number of goldfish should Tyler buy for the tank is 4

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

john got lost so he didn't know what to do and it was crazy because he didn't except it

step-by-step explanation:

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