A dozen eggs and 5 pounds of oranges are currently at the same price. If the price of a dozen eggs rises by 3 percent and the price of oranges rises by 6 %. How much more will it cost to buy a dozen eggs and 10 pounds of oranges .
Choose the correct choice from the following
A) 8 %
B) 9 %
C) 10 %
D) 11 %
E) 5 %

Rationale: say currently both a dozen eggs and 5 pounds of oranges cost $ 100 ( they are at the same price ) . so , to buy a dozen eggs and 5 pounds of oranges we need $ 100 . after the increase , the price of a dozen eggs will be $ 103 and the price of 5 pounds of oranges will be $ 106 . so after the increase , to buy a dozen eggs and 5 pounds of oranges we ' ll need $ 209 . increase = 9 % . answer : b .
Answer: B