in a school 4/9 of the students are boy and the number of girls is 775 . find the number of boys in the school
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620 is the correct answer
mona8980:
pls give me full solution
Girls = 5/9= 755/5=155. Boys =4/9=155*4=620
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Out of 9 parts, 4 parts are boys. Hence out of 9 parts, 5 parts are girls.
5 parts = 775
1 part = 775 ÷ 5 = 155
Boys = 4 parts
4 parts = 155 × 4 = 620
∴ There are 620 boys in the school.
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