The events are independent because they are not affected by the other coin toss. Hope this helps^-^
The answer: In Classroom 1, there are 5 students while in Classroom 2, there are 10 students.
Explanation:
x + 2x = 3x
3x = 15
x = 5, Classroom 1 = 5, Classroom 2 = 5 x 2 = 10
I hope that this helps! :)
we are given
we have to subtract
step-1: Distribute negative sign
step-2:Combine like terms
we get
............Answer