SOLUTION: Please help ME.... Cynthia brought 5 blanks VHS tapes and 4 cassette tapes for $28.50. Charles bought 4 VHS tapes and 2 cassette tapes for $21.00. Find the cost of each type o

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Question 214071: Please help ME....
Cynthia brought 5 blanks VHS tapes and 4 cassette tapes for $28.50. Charles bought 4 VHS tapes and 2 cassette tapes for $21.00. Find the cost of each type of tapes.

Answer by tutor_paul(519)   (Show Source): You can put this solution on YOUR website!
Let V be the cost of a VHS tape
Let C be the cost of a Cassette tape
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From the information given you can write the following equations:
Equation #1:
Equation #2:
You have 2 equations with 2 unknowns. That means you can solve the problem.
----------------------------
Solve Equation #1 for V in terms of C:


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Substitute this expression for V into Equation #2 and Solve for C:






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Substitute this value for C back into Equation #2 and solve for V:




============================
To check your answers, plug these values of C and V back into Equations #1 and #2 and make sure the equations hold true.
============================
Good Luck,
tutor_paul@yahoo.com


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