Liam had \$250$250dollar sign, 250. Then, he and his classmates bought a present for their teacher, evenly splitting the \$p$pdollar sign, p cost among the 242424 of them.

Step-by-step explanation:

Lets understand the question.

Liam had $250

Cost of gift = p

Total Students = 24 (including Liam)

Each paid:

p/24 (Liam also paid this amount)

So, in terms of Liam, he would have:

250 (already had)

expended p/24 for gift, now he has:

This is amount of money Liam had left in terms of p.