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

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

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