Answer:
m = -5
Step-by-step explanation:
15%=3
5%=1
5(20)=100
1(20)=20
So, there are 20 students in the class.
Answer:
y = -5
Step-by-step explanation:
-10(-1/2y + (-7/2)) + 7y = -25
Let's first of all expand the bracket to get;
5y + 35 + 7y = -25
12y + 35 = -25
12y = -25 - 35
12y = -60
y = -60/12
y = -5
Step-by-step explanation:
this is your answer.........
I think r should equal 32/7