A.
Explanation: The bigger the negative number, the lower the number actually is.
Answer: $12.80
Step-by-step explanation:
$1980/ 150 t shirts =$12.80 per shirt
Answer:
After 6 rounds one team will win.
Step-by-step explanation:
This is an example of geometric progression,
Let p(n) represents the number of participants remaining after n rounds of play.
First term = 64

We have

Number of teams remaining after n rounds of play, p(n) = 2⁶⁻ⁿ
Here we need to find for what n p(n)=1

After 6 rounds one team will win.
The answer to -3 + 7 is 4