C , a relationship between two variables can be expressed by an equation in which one variable is equal to a constant.
Let
x-------> Leila 's profit
y------> Jo's profit
we know that
----------> equation 
For 
<u>Find the value of x</u>
Substitute the value of y in the equation 



therefore
<u>the answer is</u>
Leila make
in profit
Answer: 31.5 in.
Answer:
the answer is 13 cm
Step-by-step explanation:
The answer is n+7 and 7+n