Answer:
its 20% i think hope this helped
Step-by-step explanation:
Cosθ = adjacent / hypotenuse

I hope I helped you^_^
The equation for simple interest is I = PRT. I = interest earned, P = principal/money invested, R = rate as a decimal, T = time in years.
I = (450)(0.03)(4)
I = 54
$54 is your answer
Answer: There were 32 teachers.
Step-by-step explanation:
(215 - 23)/6 = amount of teachers
215 - 23 = 192
192/6 = 32
15 is the answer i divided