Britney has 11 * 2 = 22 Rhode Island Reds. She has 6 / 2 = 3 Golden Comets. She has 22 + 3 = 25 total. Susie has 11 + 6 = 17 total. Britney has 25 - 17 = 8 more.
This justifies what answer for what question? Q & A:
Susie and Britney each keep chickens, of two different breeds. Susie has 11 Rhode Island Reds and 6 Golden Comets. Britney has twice as many Rhode Island Reds as Susie, but only half as many Golden Comets. How many more chickens are in Britney's flock than in Susie's?
8