Study the given graph and answer the question that follows.
What is the ratio of the total production of paper by company A in 2016 and 2019 to the total production of paper by company B in 2014 and 2017?
Answer & explanation
Correct answer: option 1
Total production of paper by company A in 2016 and 2019 : Total production of paper by company B in 2014 and 2017
( 120 + 150 ) : ( 60 + 150 )
270 : 210
9 : 7