Option A is correct, [tex]w=30A-4[/tex]
Based on Current's formula, what is w in terms of A ?
current's formula is used in medicine to measure the body surface area in square meter, of infants and children whose weight range between 3 and 30 kilograms.
w is the weight in kilograms and A is the surface area in square meter.
Given Current's formula [tex]A=(4+w)/30[/tex]
Here we have to find value of [tex]w[/tex] in terms of [tex]A[/tex],
from the current's formula, we have
[tex]A=(4+w)/30\\30A=4+w\\30A-4=w\\w=30A-4[/tex]
Therefore, option A is correct.
Learn more about the current's formula here
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