Answer:
15
Step-by-step explanation:
5x - 6 = 4x + 9
+6 + 6
5x = 4x + 15
-4x - 4x
x = 15
If 2626 is added to 1212, the result will be less than 11.
If 2626 is subtracted from 112112, the result will be greater than 22.
Do it yourself for practice by plugging it in to a similar problem:
https://www.algebra.com/algebra/homework/coordinate/word/Linear_Equations_And_Systems_Word_Problems.faq.question.675187.html
Here:
https://www.desmos.com/calculator/dvgqxtknpl
They should be but i am not 100% sure
Here you go:
https://web2.0calc.com/questions/polynomial-help-please_2
Use this and plug in:
https://web2.0calc.com/questions/the-image-of-the-point-with-coordinates-1-1-under
Range : f(x)>= 0
432/9 = 48
720/48 = 15
15 days
adults = a
kids = k
(1) k+a = 400
(2) 3k + 6a = 1680
(1) *3 = 3k +3a = 1200
(2)-(1) = 3a = 480
a = 160
Adults = 160
Child = 240