X = the brother
c = carly
c = 3x
c + x < = 24
now we sub
3x + x < = 24
4x < = 24
x < = 24/4
x < = 6 ...oldest age the brother can be is 6
Answer:
N(-2) = -5 this is also equal to n=2.5
Step-by-step explanation:
multiply both sides by 2
-4n = -2n-5
add 2n to both sides
-2n = -5
divide both sides by -2
n=2.5
Answer: 5x - 14
Step-by-step explanation: Combine like terms 4x + x - 14 and turn it into 5x - 14
Answer:
About $1.86
Step-by-step explanation:
It could be rounded to $1.90.