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Help needed on Tricky Ratio Question
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Author:  kopper [ Wed Aug 07, 2019 8:43 pm ]
Post subject:  Help needed on Tricky Ratio Question

Marbles are coloured Red, Green, Yellow and Blue in the ratio 9:5:3:1 respectively. Why can't there be 7 yellow marbles?

Author:  mad? [ Wed Aug 07, 2019 8:51 pm ]
Post subject:  Re: Help needed on Tricky Ratio Question

The ratio of blue to yellow is 1:3, so 2:6 or 3:9, the number of yellow marbles has to be a multiple of 3.

Author:  kopper [ Wed Aug 07, 2019 10:29 pm ]
Post subject:  Re: Help needed on Tricky Ratio Question

mad? wrote:
The ratio of blue to yellow is 1:3, so 2:6 or 3:9, the number of yellow marbles has to be a multiple of 3.


Thanks

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