There is a ratio of 3 boys to every 4 girls. if there are 245 total students, how many are boys
1 answer:
Answer:105 boys
Step-by-step explanation :for every group of 7 students (3+4) there are 3 boys and 4 girls. And how many groups do we have? We have:
245/7= 35 We have 35 groups, and we just said that each group has 3 boys and 4 girls:
35*3= 105 boys
35*4= 140 girls
Total: 245 students
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