Answer:
$0.21
Step-by-step explanation:
We can set up a proportion. Say x is the cost of 1 wristband:

Now, we cross multiply:
25x = 5.25
Solving for x, we see that x = 0.21.
Thus, the answer is $0.21.
Answer:
About 316,955 people
Step-by-step explanation:
The population of this city can be modeled with the formula
, where P represents the current population, I represents the initial population, and t represents the amount of time in years since the start of the model. Plugging in 145,201 for I and (2037-2021)=16 for t, we get:

Answer:
C. 30+18x
Step-by-step explanation:
6x5=30
6x3=18
30+18x
Yes it is because 18÷6 is 3 and 6×3=18