The bar graph below shows the sale of books (in thousands) has been given in two consecutive years of 2010 and 2011 of five branches of a publishing company. Find the ratio of total sales in the two years of branch C2 to the sales in both years of branch C4 ?

Answer & explanation
Correct answer: option 2
Total sale of C2 : Total sale of C4
( 79 + 91 ) : ( 66 + 86 )
170 : 152
85 : 76