The maximum packs of paper Mr. Valentino can purchase is 5 packs. The solution to the inequality is the green region highlighted.
An equation is an expression that shows the relationship between two or more numbers and variables.
An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.
Let x represent the number of packs of paper that can be purchased. A pack of paper costs $3.75, including tax. Hence:
3.75x ≤ 20
x ≤ 5.33
Also, x > 0
The maximum packs of paper Mr. Valentino can purchase is 5 packs. The solution to the inequality is the green region highlighted.
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