To write a real-world problem involving an inequality and negative numbers where the inequality symbol won’t reversed while finding the solution.
Answer to Problem 61HP
The price of a CD after a discount of $ 1.5 was at most $9. Find the original price of the CD.
Explanation of Solution
Calculation:
Let the original price of the CD be x .
Then after a discount of $1.5, the discounted price was at most $9, that is less than or equal to 9. So, using the inequality it can be expressed as
This is an inequality involving the negative numbers.
Now to solve it further add 1.5 both sides and simplify further as
On solving the inequality, it won’t change the sign of the inequality.
Chapter 8 Solutions
Glencoe Math Accelerated, Student Edition
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