7. What is the sum of $25 \%$ of 2018 and $2018 \%$ of 25 ?
A 1009
B 2016
C 2018
D 3027
E 5045
7. A $2018 \%$ of 25 is the same as $25 \%$ of 2018 (because they are both equal to $\frac{25}{100} \times 2018$ ), so their sum is equal to $50 \%$ of 2018 , which is 1009 .