Question

There are 90 girls and 60 boys in the sixth grade at a middle school. Of these students, 7 girls and 2 boys write left-handed. What percentage of the sixth graders at this middle school write left-handed?

Answer 1

Step-by-step explanation: Ok so if there are 90 girls and 7 are left handed u use this method 6/90 multiply by 100 and u get 7.77%

Answer 2

6%

Explanation:

1. 90 + 60 = 150
2. 7 + 2 = 9
3. Set up a proportion:
   `(9)/(150) = (x)/(100)`
4. Cross multiply, then divide: 9 × 100 = 900, 900 ÷ 150 = 6
5. So, 6% of students in 6th grade were left-handed

I hope this helps!