Question 3/20: Set 4 - Try Out - Mathematical Reasoning (SNBT)

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A table listing cooking oil prices in supermarkets is presented below. Due to the end of the month, all supermarkets are applying discounts of varying amounts.

Supermarket	Discount Minyak ku	Discount Minyak mu	Price per $5$ liters Minyakku	Price per $5$ liters Minyakmu
Betamart	$35\%$	$20\%$	Rp $60.000,00$	Rp $80.000,00$
Indoapril	$30\%$	$25\%$	Rp $60.000,00$	Rp $80.000,00$
Betamidi	$25\%$	$30\%$	Rp $60.000,00$	Rp $80.000,00$
666 Mart	$20\%$	$35\%$	Rp $60.000,00$	Rp $80.000,00$

What is the price difference of "Minyak mu" at Indoapril and Betamidi after the discount applies?

Explanation

We focus on the product "Minyak mu" which has an initial price of Rp $80.000,00$ per $5$ liters. We need to find the price difference after discount at two supermarkets: Indoapril and Betamidi.

Here is the comparison of the final price calculations:

Supermarket	Discount	Discount Amount ( $\text{Discount} \times 80.000$ )	Final Price ( $80.000 - \text{Amount}$ )
Indoapril	$25\%$	$25\% \times 80.000 = 20.000$	$80.000 - 20.000 = 60.000$
Betamidi	$30\%$	$30\% \times 80.000 = 24.000$	$80.000 - 24.000 = 56.000$

From the table above, it is clear that the price of "Minyak mu" at Indoapril is Rp $60.000,00$ and at Betamidi is Rp $56.000,00$ .

The price difference between the two can be easily calculated:

\text{Difference} = \text{Price at Indoapril} - \text{Price at Betamidi}

\text{Difference} = 60.000 - 56.000 = 4.000

So, the price difference of "Minyak mu" at these two supermarkets is Rp $4.000,00$ .

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Number 3

Explanation