3 x − t h ose w h o c h ose ba se ba ll 8 x − t h ose w h o c h ose soccer a ) 3 x + 8 x = 132 11 x = 132 ∣ d i v i d e b y 11 x = 12 8 x = 8 ∗ 12 = 96 96 c h ose soccer . b ) 8 x = 56 ∣ d i v i d e b y 8 x = 7 3 x = 3 ∗ 7 = 21 21 c h ose ba se ba ll .
Using ratios , we determine that out of 132 students, 96 chose soccer. If 56 students chose soccer, then 21 students chose baseball. ;
For the first part, 96 students chose soccer as their favorite sport from a survey of 132 students. For the second part, if 56 students chose soccer, then 21 students chose baseball. This was calculated using the ratio of students who preferred each sport.
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