Asked by Michelle
An all girl college began enrolling boys in 2005. By 2012 the ratio of boys to girls was 3 to 7. If there are 200 more girls than boys how many boys are there?
Answers
Answered by
Damon
3/10 are boys
7/10 are girls
total boys = x
total girls = x+200
total students = 2x+200
(3/10)(2x+200) = x
6 x + 600 = 10 x
4 x = 600
x = 150
7/10 are girls
total boys = x
total girls = x+200
total students = 2x+200
(3/10)(2x+200) = x
6 x + 600 = 10 x
4 x = 600
x = 150
Answered by
kennedy
150 more boys enrolled that year.
Answered by
lola
if there are boys to girls a ratio of 7:3 and 200 more girls enrolled how many boys will be there.
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