Answer: 125 boys and 125 girls = 1:1
<u>Step-by-step explanation:</u>
An equivalent ratio means there will be an equal number of boys and girls.
Since there are 250 students,
Boys = 250/2 = 125
Girls = 250/2 = 125
The ratio of boys to girls = 125 : 125
1 : 1 <em>when simplified</em>