In a certain class the ratio of boys to girls is 4 : 5. If the class has 54 students, how many are girls?
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Answers
Answered by
7
let the number of boy and girl be 4x and 5x now,
4x+5x=54
9x=54..
x=6
Number of girl is 5x=5×6=30
♥✨♥✨♥✨♥✨
4x+5x=54
9x=54..
x=6
Number of girl is 5x=5×6=30
♥✨♥✨♥✨♥✨
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Total ratio=9 i.e (5 + 4=9)
Total ratio=9 i.e (5 + 4=9)
Girls:boys
5 : 4
Girls:boys
5 : 4
For girls u say the ratio value of girls/ total ratio i.e 5/9 × 54 the value you get i.e 30 is the number of girls
hii
Answered by
6
let the ratio be x
4x and 5x
4x+5x=54
9x=54
x=54/9
x=6
no.of girls = 5x
5x=5×6=30
4x and 5x
4x+5x=54
9x=54
x=54/9
x=6
no.of girls = 5x
5x=5×6=30
hiii
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