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Concept explainers
To fine the cost of each type of paint if it is possible to find for given problem, otherwise explain why it is not possible to find.
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Answer to Problem 6MPS
The cost of a can of wall paint is
The cost of a can of house paint =
Explanation of Solution
Given information:
A can of house paint costs $4 more than can of wall paint and the cost of 7 cans of house paint is equal to the 9 cans of wall paint.
Calculation:
Let the cost of a can of wall paint (in $) =
Cost of a can of house paint is $4 more than the cost of a can of wall point x.
So, the cost of a can of house paint (in $) =
Cost of 9 cans of wall paint = 9x and 7 cans of house paint =
Therefore,
Distribute 7 over
Subtract
Subtract 28 on both sides
Divide both sides by -2:
Therefore, the cost of a can of wall paint is
And the cost of a can of house paint =
Chapter 5 Solutions
Algebra: Structure And Method, Book 1
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