Answered

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. You want to buy some underwear. Apackage of 8 costs $3.12. A package of 15costs $6.15. A package of 20 costs $7.60.Which package is the best buy?

You Want To Buy Some Underwear Apackage Of 8 Costs 312 A Package Of 15costs 615 A Package Of 20 Costs 760Which Package Is The Best Buy class=

Sagot :

We shall consider the options one after the other before choosing the best option;

Option 1;

[tex]\begin{gathered} \text{Pack of 8 costs 3.12} \\ 1\text{ unit = }\frac{3.12}{8} \\ 1\text{ unit=0.39} \end{gathered}[/tex]

Option 2;

[tex]\begin{gathered} \text{Pack of 15 costs 6.15} \\ 1\text{ unit=}\frac{6.15}{15} \\ 1\text{ unit=0.41} \end{gathered}[/tex]

Option 3;

[tex]\begin{gathered} \text{Pack of 20 costs 7.60} \\ 1\text{ unit=}\frac{7.60}{20} \\ 1\text{ unit=0.38} \end{gathered}[/tex]

Based on the calculations above, the third option is the best deal because that would make you pay the least amount per underwear. By choosing option 3, you will end up paying $0.38 for each underwear.

Therefore, "a package of 20 costs $7.60" is the best buy.

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