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5 September, 18:48

At a school costume party, seven girls wore masks nine

boys did not. If there were 15 boys at the party & 20 students

did not wear masks. What was the total number of students

at the party?

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Answers (1)
  1. 5 September, 21:55
    0
    33

    7 girls wore mask so 7

    15-9 is how many boys wore mask so 6

    7+6 = 13

    20 + 13 is 33
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