The point (-3,-5) is on the graph of a function. Witch equation must be true regarding the function
1 answer:
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Let be the cost, respectively, of a notebook and a pen. If you buy 2 notebooks and 3 pens (which we know is a cost of $14.50), you spend
Similarly, if you buy 1 notebook and 2 pens (which we know is a cost of $7.50), you spend
These two equations form the following system:
Multiply the second equation by 2:
Subtract the first equation from the second:
So, a pen costs 0.5 dollars. Plug this equation in the second equation:
Answer:
The expression 40n+15p shows the amount paid by the newspaper if Alexis and Paige are hired together.
Step-by-step explanation:
Given that:
Alexis charges $25 for each news story and $5 per picture.
Let,
n represent the number of news stories and p represent the number of pictures.
Alexis' total charges =
Paige charges $15 for each news story and $10 per picture.
The variables will be same.
Paige's total charges =
Alexis and Paige's charges will be added if newspaper hire them together.
Total charges paid by newspaper =
Hence,
The expression 40n+15p shows the amount paid by the newspaper if Alexis and Paige are hired together.