Let
x--------> the amount you have left to spend
y--------> the cost of a shirt you want
z------> the amount of the gift card
we know that
--------> equation 
--------> equation 
--------> equation 
Substitute the equation
and equation
[/tex]

therefore
<u>the answer is the option</u>
x+15 is less than or equal to 60
Answer: 
Step-by-step explanation:
All that is required here is to substitute x = 2x into the right side in the same way that is done for a numeric value.

Answer:
29
Step-by-step explanation:
Answer: O 3
So second to last
Explanation: I hope this helps