WILL UPVOTE!!
Deandre is a software salesman. Let y represent his total pay (in dollars). Let x
represent the number of copies of English is Fun he sells. Suppose that x and y are related by the equation
2400+70x=y
What is the change in Deandre's total pay for each copy of "English is Fun" he sells?
What is Deandre's total pay if he doesn't sell any copies of "English is Fun"?
note that as x increases to x+1, 70x increases to 70(x+1)=70x+70
if nothing is sold, then x=0. plug that in and see the base salary.
To find the change in Deandre's total pay for each copy of "English is Fun" he sells, we can look at the coefficient of the x-term in the equation. The equation is:
2400 + 70x = y
The coefficient of the x-term is 70, which means that for each additional copy of "English is Fun" he sells, Deandre's total pay increases by $70.
To find Deandre's total pay if he doesn't sell any copies of "English is Fun," we can substitute x = 0 into the equation:
2400 + 70(0) = y
This simplifies to:
2400 + 0 = y
So, Deandre's total pay if he doesn't sell any copies of "English is Fun" would be $2400.