Answer:
250 students
Step-by-step explanation:
Given data
Let the total number of students be x
Number of students that plays instrument = 10
Hence
40% of x = 10
40/100*x= 100
0.4x=100
x=100/0.4
x= 250
Hence there are 250 students in total
The answer is b to be sure
The answer is C because it’s going back 5 times meaning it’s -5
9(3b-2) Iv factorised it but I dont know the rest sorry
