Refer to the table and answer the given questions.
Number of projects handled by 5 companies during 5 years
All the given companies handled only two types of projects during all the given years governmental and nongovernmental. If the respective ratio between total number of governmental projects and nongovernmental projects handled by all the given companies together in 2007 is 13 : 8, total how many governmental projects were handled by all the given companies together in 2007 ?
Total number of projects handled by all the companies together in 2007
= 137 + 168 + 237 + 158 + 182 = 882
Ratio of governmental and non governmental projects handled in 2007 = 13 : 8
=> Number of governmental projects that were handled by all the given companies together in 2007
= $$\frac{13}{13 + 8} \times 882$$
= $$13 \times 42 = 546$$
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