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luda_lava [24]
3 years ago
7

Dla członkiń zespołu tanecznego planowano kupić jednakowe spódnice po 60 zł każda.

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0

Answer:

25

Step-by-step explanation:

Let's say x is the number of skirts, and C is the cost.  At 60 zł per skirt, the cost is:

C = 60x

When the price is reduced by 20%, the price of each skirt becomes 0.80 (60 zł) = 48 zł.  At this new price, the team can buy x+5 skirts at the same cost.

C = 48(x + 5)

Setting the expressions equal and solving for x:

60x = 48(x + 5)

60x = 48x + 240

12x = 240

x = 20

The team could buy 20 skirts at the original price, which means they can buy 25 skirts at the reduced price.

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Answer:

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Step-by-step explanation:

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all you need to do is rearrange the equation to find Delta(T)

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2 years ago
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10. A home improvement store advertises 60
Dima020 [189]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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11Alexandr11 [23.1K]

Answer:

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Step-by-step explanation:

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3 years ago
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