Answer:
18
Step-by-step explanation:
(3 x -3) equals -9, -9 x -2 equals 18 since the negatives cancel each other out.
Well, what you need to figure out is what times 9 is 63. That would be 7. So n=7 :)
I think the answer is 38 miles I hope this helped!
Answer:
She has 27 students now.
Step-by-step explanation:
Given :
The teacher has 30 students
10% students left.
To find : how much students does she have now?
Solution :
Since we are given that teacher has 30 students .
And 10% of students left
⇒ 10% of 30
⇒
⇒
⇒
Thus, 3 students left .
She had 30 students . three students left.
So, now she have 30 - 3 = 27 students .
Hence she has 27 students now.