Philip P. answered 11/07/14
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Percent = (Part/Whole) * (100%)
The "Whole" is the sum of all the "Parts" (categories):
Whole = $5.2 billion + $3.4 billion + $8.1 billion + $15.6 billion = $32.3 billion
For transportation, then:
Transportation % = ($5.2/32.3)*(100%) = 16.1%
Can you do the rest?
Stepanie G.
05/12/15