In the pupils,
12 of the pupils like hedgehogs,
16 of the pupils like snakes and the rest like guinea pigs
- What fraction of the pupils like guinea pigs?
- Given that 7 more pupils like hedgehogs than guinea pigs, find the number of pupils in the class.
(a)
Fraction of the pupils that like hedgehogs and snakes
=
12 +
16=
36 +
16=
46=
23Fraction of the pupils that liked guinea pigs
= 1 -
23=
33 -
23=
13(b)
Difference between the fraction of the pupils that like hedgehogs and fraction of the pupils that like guinea pigs
=
12 -
13=
36 -
26=
16Total number of pupils = 6 u
Number of pupils that like hedgehogs more than guinea pigs = 1 u
1 u = 7
Total number of pupils
= 6 u
= 6 x 7
= 42
Answer(s): (a)
13; (b) 42
