Question

In a certain day during the preparation of annual school day, 25 students
participated in dancing and 15 participated in singing. If 5 students participated in
both dancing and singing,
how many students participated in preparation?

Answer 1

Answer:

35

Step-by-step explanation:

student participated in dancing = 25

student participated in singing = 15

student participated in both = 5

sum of students participated in both = 25 + 15

= 40

Now, take 5 students as common.

So, 40 - 5 = 35

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