Concept explainers
To Find: The cost of 8 DVDs.
Answer to Problem 3ACYP
The cost of 8 DVDs is
Explanation of Solution
Given information:
Cost of 5 DVDs is
Concept and Formula Used:
Use the concept of direct variation and ratio and proportion.
Calculation:
It is given that cost of 5 DVDs is
First find the cost of 1 DVD
Cost of 1 DVD is
Let the cost of 8 DVDs be
Therefore cost of 1 DVD is
As the cost for one DVD remains same. On equating
Cross multiply
Conclusion:
The cost of 8 DVDs is
Chapter 6 Solutions
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