Amount paid by Mary for her computer is .
<u>Solution: </u>
Given that, Sam purchased a computer for .
Price of the printer that Mary purchased was the price that Sam paid.
Need to calculate amount Mary pay for her computer. Assuming that Mary purchased same computer that is purchased by Sam and store selling the computer have same rates for all customers .
So, amount Mary pay for computer = Amount Sam paid for computer =
Hence, amount paid by Mary for her computer is .
Answer: $20
Step-by-step explanation:
Let 'x' be the cost of a ticket at Haynes
Let 'y' be the cost of a ticket at Valley
Since the total cost from both schools are the same, we can write it as:
Since the cost of tickets at Valley was $5 less than Haynes, we can write it as:
Now we have two equations, we can use to substitute into the other expression:
we substitute y in this equation with the other equation
Therefore the cost of the ticket at Haynes is $20 and the cost of the ticket at Valley is $15.