Answer:
3.25
Step-by-step explanation:
I plugged in 5 for x and got 3.25 when I solved
2r + 2s = 50
2r - s = 17
-----------subtract
3s = 33
s = 11
2r - s = 17
2r - 11 = 17
2r = 28
r = 14
so r = 14 and s = 11
answer is C. r = 14, s = 11
On the 1st place he can put 6 textbooks, on the 2nd 5 textbooks etc...
6 · 5 · 4 · 3 = 360
Answer: D) He can arrange textbooks in 360 ways.
I’m not sure if I get the question, but the second one would be a fact and the others are all statements. I hope this helps :)
