Question

Aschool community had planned to reduce the number of agrade 10 students per class room by constructing additional class room. however,they constructed 4 less rooms than they planned.as aresult,the number of students per class was 10 more than they planned. if there is are 1200 grade 10 student in the school,determine the current number of aclass rooms and the number of students per class.

Answer 1

They planned to build n+4 rooms, but built only n

1200/n = 1200/(n+4) + 10

Without even doing the math, recall that 1200 = 24*50 = 20*60

Answer 2

231

Answer 3

2317

Answer 4

Not good