Concept explainers
To translate each problem into an equation and to find the number of items in each list.
Answer to Problem 12P
Required equation:
Number of items in each list are 13 and 20.
Explanation of Solution
Given information:
Difference of two grocery list is 7 and total number of items in both list is 33.
Calculation:
Let, the number of items of first grocery =
Then the number of items of second grocery =
The total number of items = 33.
According to given statement, total of x and x +7 is 33.
Now, we need to solve above equation for x .
Combine like terms
Subtract 7 on both sides
Divide by 2 on both sides
Therefore, the number of items in first grocery list = 13 items.
And the number of items of second grocery =
Chapter 1 Solutions
Algebra: Structure And Method, Book 1
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