Asked by Kevin
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?
"What's the formula for this problem?"
When 6 girls joined the class, the number of boys equaled the number of girls.
How many students were in my class then?
"What's the formula for this problem?"
Answers
Answered by
Damon
b = (5/8) s
so
g = (3/8) s
now g = (3/8) s + 6
and number of students = s + 6
b = 5/8 s = (3/8)s +6
so
(2/8)s = 6
s = 24
that was original s
s+6 = new total = 30
so
g = (3/8) s
now g = (3/8) s + 6
and number of students = s + 6
b = 5/8 s = (3/8)s +6
so
(2/8)s = 6
s = 24
that was original s
s+6 = new total = 30
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