Based on the equation you gave me, this should be your answer.
Answer:
I=PRT is the formula
Step-by-step explanation:
$3600 is the Principal. 9% is the interest rate. 25 years is the Time.
This is all I can help you with. Hope you get it write and good luck.
Set up a proportion.
Let x = the number of students in 29970 who speak 3 or more languages.
285/19 = 29970/x Cross multiply
285 x = 19 * 29970
285x = 569430
x = 569430/285
x = 5415 students speak 3 languages.
(16-x²)+(4-x) or (-x²+16)+(-x+4)
Combine like terms
(-x²+20-x) or (-x²-x+20)
