Answer:
15 installments
Step-by-step explanation:
3900 = Σ 
400 - 20*(n - 1)
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.
360/18=20
So, your answer is 20 unit rate.
Hope this will help you!
To get the answer, divide 36 by 7. And the answer of that is 5.1428571428571429
