Question

12 pack for $3.50

Answer 1

The savings per unit between the best deal and worst deal is about $0.06

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Further explanation

Let's learn about the basic formula about Profit and Loss

$\texttt{Profit = Selling Price - Cost Price}$

$\texttt{Selling Price = Cost Price ( 100\% + Profit\% )}$

$\texttt{Loss = Cost Price - Selling Price}$

$\texttt{Selling Price = Cost Price ( 100\% - Loss\% )}$

Let us tackle the problem !

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12 pack for $3.50 → 144 pack for  $\ 3.50 \times \frac{144}{12} = \ 42$

24 pack for $6.00 → 144 pack for  $\ 6.00 \times \frac{144}{24} = \ 36$

36 pack for $8.50 → 144 pack for  $\ 8.50 \times \frac{144}{36} = \ 34$

48 pack for $11.75 → 144 pack for  $\ 11.75 \times \frac{144}{48} = \ 35.25$

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From information above, we can conclude that:

The Best Deal → 36 pack for $8.50

The Worst Deal → 12 pack for $3.50

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The savings per unit between the best deal and worst deal :

$( \ 3.50 \div 12 ) - ( \ 8.50 \div 36 ) = \ (\frac{1}{18}) \approx \boxed {\ 0.06}$

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Answer details

Grade: Middle School

Subject: Mathematics

Chapter: Percentage

Keywords: Linear , Equations , 1 , Variable , Line , Gradient , Point , Multiplication , Division , Exponent , PEMDAS , percentange , percent , cookies , chocolate , chip , paper , fourth , pieces