Hello there.
<span>Which of the following is true about the age of rock layers and the age of the Earth?
Answer: </span><span>The Earth is older than any rock layer.</span>
You did not specify the brother's age, so I make a expression, <em>b</em> as the variable.
(3<em>b</em> + 5) - 11
Now do that with the brother age instead of the variable.
-32/1. Is the answer you just divide too and bottom by the bottom number which 3 is an common factor in both #,s
Answer:

Step-by-step explanation:
Given

per mile

Required
Determine the inequality
First, we need to determine the total cost for x miles.



The total cost can not exceed the amount he has, so the inequality is:

300 is the original amount and 0.5 is the rate (a percent) which is deacying because it is less than 1