In the pupils,
12 of the pupils like tortoises,
16 of the pupils like terrapins and the rest like snakes
- What fraction of the pupils like snakes?
- Given that 3 more pupils like tortoises than snakes, find the number of pupils in the class.
(a)
Fraction of the pupils that like tortoises and terrapins
=
12 +
16=
36 +
16=
46=
23Fraction of the pupils that liked snakes
= 1 -
23=
33 -
23=
13(b)
Difference between the fraction of the pupils that like tortoises and fraction of the pupils that like snakes
=
12 -
13=
36 -
26=
16Total number of pupils = 6 u
Number of pupils that like tortoises more than snakes = 1 u
1 u = 3
Total number of pupils
= 6 u
= 6 x 3
= 18
Answer(s): (a)
13; (b) 18
