12.78 because if you do ( 12 X .065 you get .78 which you then add to 12$ and get a total of 12.78
Answer:
She would not have enough
Step-by-step explanation:
85x10=$850 divided by 12=70.8
we know that
A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form
or 
Let
x-------> the pressure in PSI
y------> the volume of the gas in cubic inches
In this problem we have the point 
so

Find the constant k

substitute the values of x and y


the equation is

therefore
<u>the answer is</u>

X is 3 so 7(3+4)=49 hope that help