Question

42 students arrived at the school dance after it started. in all 78 students attended. write and solve an equation to find how many students arrived at the dance before it started. plz help right when you see it!!!

Answer 1

The answer is 36

Explanation:

we know 42 students arrived after the dance started and 78 arrived in total. You have to subtract 42 from 78. how I remember this: part+part=whole whole-part=part