In the pupils,
12 of the pupils like rats,
16 of the pupils like lizards and the rest like hedgehogs
- What fraction of the pupils like hedgehogs?
- Given that 4 more pupils like rats than hedgehogs, find the number of pupils in the class.
(a)
Fraction of the pupils that like rats and lizards
=
12 +
16=
36 +
16=
46=
23Fraction of the pupils that liked hedgehogs
= 1 -
23=
33 -
23=
13(b)
Difference between the fraction of the pupils that like rats and fraction of the pupils that like hedgehogs
=
12 -
13=
36 -
26=
16Total number of pupils = 6 u
Number of pupils that like rats more than hedgehogs = 1 u
1 u = 4
Total number of pupils
= 6 u
= 6 x 4
= 24
Answer(s): (a)
13; (b) 24
