25% of the students at school a got a score greater than 25 but less or an equal to 28

28 > = 0.25x > 25

Step-by-step explanation:

25% of x

1) Greater than 25: 25%x > 25

2) Less than and equal to 28: 25%x < = 28

25%x = 25/100 * x = 0.25x

1 and 2:

28 > = 0.25x > 25

//I hope this is what you are looking for. Not sure it's right