A statistical investigation of 200 secondary schools in Rivers State showed that 60 schools taught...

A statistical investigation of 200 secondary schools in Rivers State showed that 60 schools taught Music, 130 schools taught GSM Technology while 86 schools taught ICT. If 80% of the schools that taught Music did not teach GSM Technology and all the schools that taught Music also taught ICT, find: taught (a) the number of schools that Music and ICT. (b) the number of schools that taught Music and GSM Technology. (c) the number of schools that taught ICT and GSM Technology. (d) the number of schools that taught all three subjects. (e) the number of schools that taught any two subjects. (f) the number of schools that taught any one subject only.?

In Mathematics
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Asked by Anabel on 12th February, 2023