Scott is a software salesman. Let represent his total pay (in dollars). Let represent the number of copies of History is Fun he sells. Suppose that and are related by the equation 80x+2100=y Answer the questions below.
Note that a change can be an increase or a decrease.
For an increase, use a positive number. For a decrease, use a negative number.
What is the change in Scott's total pay for each copy of History is Fun he sells?
What is Scott's total pay if he doesn't sell any copies of History is Fun?
Answers
Answer:
A. $80
B. $2100
Step-by-step explanation:
Given:
80x+2100=y
Rewrite the equation
y = 80x + 2100
Where,
y = Scott's total pay (in dollars)
x = number of copies of History is Fun he sells
2100 = fixed pay
A.
Since, x = number of copies of History is Fun he sells
If x = 0
y = 80x + 2100
= 80(0) + 2100
= 0 + 2100
= 2100
y = $2100
If x = 1
y = 80x + 2100
= 80(1) + 2100
= 80 + 2100
= 2180
y = $2180
change in Scott's total pay for each copy of History is Fun he sells = $2180 - $2100
= $80
B. What is Scott's total pay if he doesn't sell any copies of History is Fun?
That is, when x = 0
y = 80x + 2100
= 80(0) + 2100
= 0 + 2100
= 2100
y = $2100
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