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weeeeeb [17]
3 years ago
7

A piece of a chain's length and weight are in proportion. If 320 cm of chain weighs 8 kg, then

Mathematics
2 answers:
Taya2010 [7]3 years ago
8 0

Answer: 80 cm of chain weighs 2 kg.

r-ruslan [8.4K]3 years ago
7 0

Answer:

 W = 0.025L

Step-by-step explanation:

A piece of a chain's length and weight are in proportion.

If L represents the length in cm and weight is represented by W in kg, then we can write W = aL + b ........(1)

Now, if the length of the chin is 0, then the weight will also be 0. So, from equation (1), we can write W =aL ....... (2) as b becomes zero.

Now, the 320 cm of chain weighs 8 kg.

So, from equation (2), we get, 8 = 320a, ⇒ a = 0.025 kg/cm

So, the equation becomes W = 0.025L (Answer)

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