the number of kilograms of water in a human body varies directly as the mass of the body an 84 kg person contains 56kg water how
1 answer:
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For this case, the first thing to do is define a variable.
We have then:
- <em>x: the monetary value of that 120 square foot piece of plastic wrap </em>
We write now the proportion that models the problem.
We have then:
From here, we clear the value of x.
We have then:
Calculating we have:
Answer:
the monetary value of that 120 square foot piece of plastic wrap is: