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erma4kov [3.2K]
2 years ago
15

Walmart is selling bikes for 20% off the regular price for $55. Kmart is selling their bikes for 25% off the regular price of $6

5. which is a better deal? why?​
Mathematics
1 answer:
cluponka [151]2 years ago
3 0

Answer:

Walmart has the better deal.

Step-by-step explanation:

Hi there!

To solve this question, we could find the final price of a bike from Walmart and Kmart, compare them, and identify which is less.

<u>Walmart</u>

Original price: $55

Deal: 20% off

55 × 0.8 = 11

A bike from Walmart costs $44.

<u>Kmart</u>

Original price: $65

Deal: 25% off

65 × 0.75 = 48.75

A bike from Kmart costs $48.75.

$44 < $48.75, so therefore, Walmart's deal is better.

I hope this helps!

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Step-by-step explanation:

According to triangle inequality theorem, a triangle exists if the sum of two sides is greater that third side.

Apply this theorem on each combination.

Case I: (2x+4)+6x>18

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Case II: (2x+4)+18>6x

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Therefore, the correct option is A.

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