x has to equal 1. 3/10 + 1/5 = 1/2
the equation is now 1/2 + x = 1 1/2x
x = 1
1 1/2 = 1 1/2
Answer:
f(f(5)) = 11
Step-by-step explanation:

I hope that is useful for you
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Formula
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Volume = Length x Width x Height
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Apply Formula
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Volume = 10 x 30 x 1/3 = 100 ft³
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Answer: 100 ft³
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I think you times all of the inchs together. 5x3x2=30.
I dont know if i am right tho. Hope this help ya.