SOLUTION: Last year the ratio of the number of boys to the number of girls in the computer club was 1:2 l
This year 70 new members joined the club and there are now 4 times as many boys and
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-> SOLUTION: Last year the ratio of the number of boys to the number of girls in the computer club was 1:2 l
This year 70 new members joined the club and there are now 4 times as many boys and
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Question 944757: Last year the ratio of the number of boys to the number of girls in the computer club was 1:2 l
This year 70 new members joined the club and there are now 4 times as many boys and 3 times as many girls as last year .how many members were there in the club last year?
My answer:30
Please help me answer this question.I think the answer is 30. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! You think or you worked it out?
Let , be the number of boys and girls last year and , be the number of boys and girls this year.
So now,
and
Putting it all together,
Then,
and
