15.6/-3 = - 5.2 is the answer
This is very easy question write all given and common
Answer:
R ≈ 8.31
Step-by-step explanation:
Filling in the given values ...
... pV = nRT
... 2·4.155 = 1·R·1
... 8.31 = R
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
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therefore
<u>the answer is the option</u>
x+15 is less than or equal to 60