Answer:
jennifer
Step-by-step explanation:
A- number of adult tickets
s- number of student tickets
a +s=200 }* - 4,5 ⇒
a*6,5+s*4,5=980
a*6,5 + s*4,5=980
a*( -4,5) - s*4,5= - 200*4,5= -900
-----------------------------------------------
6,5a-4,5a=980-900=80
2a=80
a=80:2
a=40
s=200-40
s=160
Answer:
c.) if the one of the trails is randomly chosen, find the probability that it lasted at least 24 days
Step-by-step explanation:
2/5 of the sandwiches must have been tuna, to we divide 240 by 2 to get 120. Then, we multiply 120 by 3 and we get 360 chicken sandwiches!
Probably because people gave you the wrong answer. Not saying they did this intentionally....