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Question 927456: the ratio of boys to girls is 4:5
there are 2250 pupils in the school
How many are girls?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! b/g = 4/5
b = (4/5)g
b + g = 2250
(4/5)g + g = 2250
(4/5)g + (5/5)g = 2250
(9/5)g = 2250
g = 2250*(5/9)
g = 1250
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