Answer:
18:35
Explanation:
The get the number of students at Wood middle school we add 124 boys to 164 girls to get
![124 + 164 = 288](https://img.qammunity.org/2021/formulas/mathematics/middle-school/6x1xvn5rrekdndwlqex8wntfujlznqba6y.png)
Similarly, the total number of students at Parker Middle School is
![292 + 268 = 560](https://img.qammunity.org/2021/formulas/mathematics/middle-school/8tnejckpnm2k1zxuwnapnkklgkxvnzj6ml.png)
The ratio of students at Wood Middle school to students at Parker Middle School
![(288)/(560)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/pyl3acj5fbjvy7wg3h2iay68xkl9zk1kzj.png)
We simplify to get:
![(18)/(35)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/ouq067rb0bqhrd7l7zsa5eflip2slbvi8m.png)
Therefore the required ratio is 18:35