the two biggest fortune 500 companies in 2011 were walmart a

the two biggest fortune 500 companies in 2011 were walmart and exxonmobil. exxonmobil revenue was $67 billion less than that of walmart. total revenue for the two companies was $777 billion. what was the revenue for each company?

Solution

Let revenue of walmart be x

Let revenue of exxonmobil be y

x -y = 67 ----(1)

x+y = 777 ---(2)

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2x = 844 ----> x= 422

Revenue of walmart = $422

Revenue of exxonmobil =$355