In the pupils,
310 of the pupils like cats,
12 of the pupils like lizards and the rest like hedgehogs
- What fraction of the pupils like hedgehogs?
- Given that 7 more pupils like cats than hedgehogs, find the number of pupils in the class.
(a)
Fraction of the pupils that like cats and lizards
=
310 +
12=
310 +
510=
810=
45Fraction of the pupils that liked hedgehogs
= 1 -
45=
55 -
45=
15(b)
Difference between the fraction of the pupils that like cats and fraction of the pupils that like hedgehogs
=
310 -
15=
310 -
210=
110Total number of pupils = 10 u
Number of pupils that like cats more than hedgehogs = 1 u
1 u = 7
Total number of pupils
= 10 u
= 10 x 7
= 70
Answer(s): (a)
15; (b) 70
