In a class of 80 students 40 £.30 fitness foot is dirty mathematics and 44th Terrace chemistry 20 steady physics and mathematics 24 steady physics and chemistry entity to study only two of the three subject is every students did he at least one of the three subjects it the number of students who study all the three subjects me the number of students who study only mathematics in chemistry please answer
Really ??
Hora aderat briligi. Nunc et Slythia Tova
Plurima gyrabant gymbolitare vabo;
Et Borogovorum mimzebant undique formae,
Momiferique omnes exgrabure Rathi.