Astatue is made of gold and silver in the ratio of 5: 2. if the weight of the silver in the statue is 140 pounds, what is the weight of the gold
(btw this us math not chemistry)

The weight of gold in the statue is 350 pounds.

Explanation:

We are given:

Ratio of gold and silver in a statue = 5 : 2

Weight of silver in the statue = 140 pounds

Let the weight of gold be 'x'

By applying direct proportion, we get:

Hence, the weight of gold in the statue is 350 pounds.

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explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.