Answer:
You would get tails 75 times, or 75:200
Step-by-step explanation:
5:8 = x:200
multiply 8 by 25 to get 200
multiply 5 by 25 to get x (125)
Probability to get heads is 125 so subtract 200 by 125
200 - 125 = 75
Answer:
Step-by-step explanation:
A theatre has 4 chair in a row; lets draw that out
Let's pretend that this is a chair: ♦
So we have 4 chairs in a row
♦ ♦ ♦ ♦
And there are 5 rows
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
Let's find the perimeter;
4 + 5 + 4 + 5
=18
The perimeter is 18 rows.
N+4=13
-4 -4
n = 9
the sum of a number(n) and 4 that is no larger than 13 is 9
