SOLUTION: A class contains 81 pupils, 55 of them are girls,42 including all the boys are day students. find the number of girls that are day students

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Question 1066904: A class contains 81 pupils, 55 of them are girls,42 including all the boys are day students. find the number of girls that are day students
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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A class contains 81 pupils, 55 of them are girls, 42 including all the boys are day students.
find the number of girls that are day students.
:
Find the number of boys
81 - 55 = 26 boys
let g = no. of girl day students
g = 42 - 26
g = 16 girls are day students