A baseball game is played at Wickley Field. The Blues vs. The Grays. 25% of all players hit a home-run (hit the ball out of the park). Some players on The Grays team were injured, so they didn't play. If the ratio of players of the teams is 5:4, respectively, and the percentage of players who hit a home-run for The Blues is 15%, what percentage of players for The Grays hit a home-run?
Choices.
A) 40% B) 45% C) 35% D) 45.5% E) 35.5%
Let B and G be number players Blues and Grays, respectively, and h represent hit a home-run.   B + G = total players.   45%:G = 5:4   45%h/45% = 15%   Gh/G = ?   [(5)(45%h/45%) + (4)(Gh/G)]/(5 + 4) = 25%   [(5)(15%) + (4)(Gh/G)]/9 = 25%   Gh/G = 45%   Answer: 45%
<result>B</result>
A baseball game is played at Wickley Field. The Blues vs. The Grays. 25% of all players hit a home-run (hit the ball out of the park). Some players on The Grays team were injured, so they didn't play. If the ratio of players of the teams is 5:4, respectively, and the percentage of players who hit a home-run for The Blues is 15%, what percentage of players for The Grays hit a home-run?