Concept explainers
To find: the price of an electric drill
Answer to Problem 4STP
The price of an electric drill is:
Explanation of Solution
Given:
Amountof 4 table saws and 9 electric drills = $881
Receipts from the saws exceeded the receipts from the drills by $71.
Calculation:
Assume the price of 1 table saw is:
Again, the price of 1 electric drill is:
Here the equations are
And,
The strategy is to find the price of an electric drill.
Substitute the value of
[Divide both sides by 13]
Again, from equation (2)
Hence, the price of an electric drill is:
Conclusion:
Hence, the price of an electric drill is:
Chapter 6 Solutions
Algebra 1
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