Answer:
B, using a sample of size 200
Step-by-step explanation:
just got it right
(20+2.5)x = cost
when x equals number of tickets
(20+2.5)24 = 540
51 = 3k. We can switch this around to 3k = 51 (because it's easier for me)
3k = 51.
We divide by 3 on both sides to just get "k".
3k / 3 = 51 / 3
k = 17.
(32 + 90 + 92 + 82 + 64 + x) / 6 = 85
(360 + x) / 6 = 85
360 + x = 85 * 6
360 + x = 510
x = 510 - 360
x = 150 <===
