13. Bir grup ogrenci yuvarlak bir masa etrafında he iki kız arasında bir erkek olmak üzere 144 farklı
to
çimde oturabiliyor.
A
Buna göre grupta kaç kişi vardır?
A) 3
B) 4
C) 5
D) 6
E) 8

828. all there is to it!

here, if you ever need with rounding (or other forms of arithmetic/math) again, use this:

thats the rounding one, but if you just click the top left, it shows you all the calculators you may need!

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)