In the pupils,
310 of the pupils like lizards,
12 of the pupils like snakes and the rest like rats
- What fraction of the pupils like rats?
- Given that 10 more pupils like lizards than rats, find the number of pupils in the class.
(a)
Fraction of the pupils that like lizards and snakes
=
310 +
12=
310 +
510=
810=
45Fraction of the pupils that liked rats
= 1 -
45=
55 -
45=
15(b)
Difference between the fraction of the pupils that like lizards and fraction of the pupils that like rats
=
310 -
15=
310 -
210=
110Total number of pupils = 10 u
Number of pupils that like lizards more than rats = 1 u
1 u = 10
Total number of pupils
= 10 u
= 10 x 10
= 100
Answer(s): (a)
15; (b) 100
