In the pupils,
12 of the pupils like hamsters,
16 of the pupils like guinea pigs and the rest like dogs
- What fraction of the pupils like dogs?
- Given that 9 more pupils like hamsters than dogs, find the number of pupils in the class.
(a)
Fraction of the pupils that like hamsters and guinea pigs
=
12 +
16=
36 +
16=
46=
23Fraction of the pupils that liked dogs
= 1 -
23=
33 -
23=
13(b)
Difference between the fraction of the pupils that like hamsters and fraction of the pupils that like dogs
=
12 -
13=
36 -
26=
16Total number of pupils = 6 u
Number of pupils that like hamsters more than dogs = 1 u
1 u = 9
Total number of pupils
= 6 u
= 6 x 9
= 54
Answer(s): (a)
13; (b) 54
