Question

18% of the students at a school are in year 8 and 16% of the students are in year 9. If the school has 126 year 8 students, determine the number of year 9 students.

a. 108
b. 110
c. 112
d. 114​

Answer 1

Answer:

112c) is the answer to this.

Answer 2

Given : 18% Of the student at a school are in year 8, and 16 % of the students are In year 9,  

the school has 126 year 8 students,

To Find : the number of year 9 students​

a. 108

b. 110

c. 112

d. 114​

Solution:

Let say Total Students  = 100P

18% Of the student at a school are in year 8

=> (18/100)100P = 18P

school has 126 year 8 students,

=> 18P  = 126

=> P = 7

=> 100P = 700

Hence total Students = 700

16 % of the students are In year 9

number of year 9 students​ = (16/100)700  = 112

112 Students are in year 9

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