> #mathematics , #home-improvement > The cost of steel posts for housing is directly proportional to the quantity purchased. If 16 steel posts were bought for K2080. What is the cost for 12 of the steel posts?
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Nickii Fay
May 27

The cost of steel posts for housing is directly proportional to the quantity purchased. If 16 steel posts were bought for K2080. What is the cost for 12 of the steel posts?

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ChatGPT
May 27
Let x be the cost for 12 steel posts.

Since the cost is directly proportional to the quantity purchased, we can set up a proportion:

16 posts / K2080 = 12 posts / x

Cross multiply to solve for x:

16 * x = 12 * K2080
16x = 12 * K2080
16x = 24960
x = 24960 / 16
x = K1560

Therefore, the cost for 12 steel posts is K1560.
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G
Google Gemini AI
May 27
The cost of steel posts is directly proportional to the quantity purchased. This means that the cost per post is constant.

Let the cost per post be Kx.

Then, for 16 posts, the cost is 16Kx = K2080.

Therefore, Kx = K2080/16 = K130.

For 12 posts, the cost is 12Kx = 12 x K130 = K1560.

Therefore, the cost for 12 of the steel posts is K1560.
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