Asked by Thien
5/8 of the students in my class were boys.
When 6 girls joined the class, the number of boys equaled the number of girls.
How many students were in my class then?
When 6 girls joined the class, the number of boys equaled the number of girls.
How many students were in my class then?
Answers
Answered by
Damon
before
x students
5x/8 boys and 3x/8 girls
so later
3x/8 + 6 = 5x/8
3 x + 48 = 5 x
2 x = 48
so
x = 24 students before
x+6 = 30 after 6 girls arrived
x students
5x/8 boys and 3x/8 girls
so later
3x/8 + 6 = 5x/8
3 x + 48 = 5 x
2 x = 48
so
x = 24 students before
x+6 = 30 after 6 girls arrived
Answered by
Anonymous
whaaaaaa
Answered by
Math Nerd
3x/8 + 6 = 5x/8
3x/8 + 6x8/8 _ this makes the denominator 8 = 5x/8
3x/8 + 48/8 = 5x/8
(Since all the denominators are the same we can just cross them out)
3x + 48 + 5x
48 = 5x - 3x
48 = 2x
48/2= 24
x=24
x + 6 =30 ( since we didnt add the 6 we just calculated how many there were before.
Ans= 30 You can thank me
3x/8 + 6x8/8 _ this makes the denominator 8 = 5x/8
3x/8 + 48/8 = 5x/8
(Since all the denominators are the same we can just cross them out)
3x + 48 + 5x
48 = 5x - 3x
48 = 2x
48/2= 24
x=24
x + 6 =30 ( since we didnt add the 6 we just calculated how many there were before.
Ans= 30 You can thank me
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