Work out the number of students who do not know.
. . . . . . . . . . . . . . . . . .
(Total for Question is 4 marks)
Q15.
There are 200 counters in a bag.
The counters are blue or red or yellow.
35% of the counters are blue.
1
⁄
of the counters are red.
5
Work out the number of yellow counters in the bag.
. . . . . . . . . . . . . . . . . . . . . .
(Total for Question is 4 marks)