Answer:
Barlow School has 178 more boys
Step-by-step explanation:
At Barlow School, 4/9 of 873 students are boys. At Willow School, 2/3 of 630 students are girls. You want to know which school has more boys, and by how many.
The number of boys is ...
4/9 × 873 = 388
The 1/3 of students that are not girls are presumed to be boys. That number is ...
1/3 × 630 = 210
The difference in the number of boys is ...
388 -210 = 178
Barlow School has 178 more boys.
