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Mathematics, 22.01.2022 20:20 synite

12 are male 8 are female
5 wear spectacles
15 do not wear spectacles
5 are left handed
15 are right handed

Give your answers in their simplest form.

The ratio of right handed : left handed is

:

The ratio of male : female is

:

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12 are male 8 are female
5 wear spectacles
15 do not wear spectacles
5 are left...

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