In the pupils,
512 of the pupils like rats,
14 of the pupils like lizards and the rest like hamsters
- What fraction of the pupils like hamsters?
- Given that 9 more pupils like rats than hamsters, find the number of pupils in the class.
(a)
Fraction of the pupils that like rats and lizards
=
512 +
14=
512 +
312=
812=
23Fraction of the pupils that liked hamsters
= 1 -
23=
33 -
23=
13(b)
Difference between the fraction of the pupils that like rats and fraction of the pupils that like hamsters
=
512 -
13=
512 -
412=
112Total number of pupils = 12 u
Number of pupils that like rats more than hamsters = 1 u
1 u = 9
Total number of pupils
= 12 u
= 12 x 9
= 108
Answer(s): (a)
13; (b) 108
