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.
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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