RASTA 
19:47 Uhr, 05.08.2022
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Tag!, There are students in a school. The teacher to pupil ‘ratio is . How many additional teachers are needed to reduce the ration to ?
well right now there are teachers
to reduce the ration to one teacher per students more teacher would be needed
teachers that we have now)=30 additional teachers.
Is it correct? Thanks,
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pivot 
20:06 Uhr, 05.08.2022
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Hello,
It is a little bit confusing. I cannot comprehend where the 30 comes from:
We need teachers. At the denominator we have . The rest is o.k.
Btw, it is ratio, not ration.
greetings, pivot
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RASTA 
22:48 Uhr, 05.08.2022
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okay, thanks, pivot
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mathematical approach using being the number looked for
teachers have to be employed additionally.
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"It is a little bit confusing. I cannot comprehend where the 30 comes from:" Die kommen von 70-40. Supporter wird sich freuen, dass er das erkannt hat und du nicht.
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pivot 
15:14 Uhr, 06.08.2022
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Ich meinte eigentlich die 30 im Nenner.
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