Sal and two of his friends rent an apartment together. Their total cost to move in included first month's rent, last month's ren
t and a security deposit of $1,200. If Sal paid a total of $1,000 to move in, how much is his share of the rent each month? a. $300 b. $450 c. $600 d. $900
Well I'm not sure what the answer would be since I'm not that smart but I did get the answer of 90, I did this by dividing 72 by 80 which equals .9 and I multiplied that by 100 and got 90.
When one variable increases (the price) while the other variable decreases (the number of hamburgers he sells) , a negative linear relationship exists.