True or false: Regard Substitute goods price and demand are positively related?

True                                               .

my answer is true.....................

TRUE <<<<<<<<<<<<<<<<<<<<<<ANSWER

True

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Demand for a given commodity varies directly with the price of a substitute good.

If price of a substitute good (say, coffee) increases, then demand for given commodity (say, tea) will rise as tea will become relatively cheaper in comparison to coffee.