42 students arrived at the school dance after it started. in all 78 students attended. write and solve an equation to find how m any students arrived at the dance before it started. plz help right when you see it!!!
1 answer:
Answer:
The answer is 36
Step-by-step 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
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