Keisha is a software saleswoman. Let y represent her total pay (in dollars). Let

Question

Keisha is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 1900 +110x = 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 Keisha's total pay for each copy of History is Fun she sells?

What is Keisha's total pay if there are no sales of History is Fun?

Explanation / Answer

1900 +110x = y

y= 110x +1900

since slope= 110 is positive, change is increase

change in Keisha's total pay for each copy of History is Fun she sells = 110

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Keisha's total pay if there are no sales of History is Fun = $ 1900

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