SOLUTION: two fifths of the pupils in a school are boys, if 150 are girls, how many pupils are there altogether

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Question 977419: two fifths of the pupils in a school are boys, if 150 are girls, how many pupils are there altogether
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
If 2/5 of the pupils are boys,
then 3/5 of the pupils are girls.
3/5 = 150
Therefore 1/5 = 50
Then, 2/5 = 100
Total no. of pupils
= 150 + 100 = 250 pupils.
Hope this helps:-)