The answer is A Ezra is right
I am relatively sure the answer you are looking for is;
H H H T T H T T H H H H
Step-by-step explanation:
B
1100
To find the sum of the first n terms of an arithmetic series use the formula,
S
n
=
2
n(a
1
+a
n
)
S
20
=
2
20(10+100)
S
20
=
2
2200
S
20
=1100
Answer: 108 tickets must be sold to cover the cost.
123 tickets must be sold to make a profit of approximately $980.68
Step-by-step explanation:
Just divide 859.32 from 8 to find out how many tickets must be sold to cover the cost. Same for part b.
Hope this helps!