The subtotal of the meal is $34 because 15% of $40 is $6
First we need to calculate how many years her brother has when she is 18. As text says he is:
18/3 = 6 years old
Now when she gains another 18 years (36-18=18) he will also gain those 18 years
When she is 36 he will have 6+18=24 years old
Answer is 24.
Answer:

Step-by-step explanation:

Expand:


Add 27 to both sides:


Add 12x to both sides:


Divide both sides by 4:


Answer:
its the second graph
Step-by-step explanation:
you could use this website to find out graph
desmos calculator
Answer:4n+12
Step-by-step explanation: