Question 1 of 86

The graph below illustrates the survey findings of the weekly pocket money of a primary 6 class.
(a) Find all number of students in the class.
(b) Calculate the percentage of students whose allowance is $30 or more

Question Image of The graph below illustrates the survey findings of the weekly pocket money of a primary 6 class.<br> (a) Find all number of students in the class.<br>(b) Calculate the percentage of students whose allowance is $30 or more.
A
a 40
b 65%
B
a 20
b 55%
C
a 30
b 45%
D
a 50
b 35%
E
None of the above