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sellers of good X took in $100 in total revenue on sales of 50 units of good X. This month sellers of good X raised their price and took in $120 in total revenue on sales of 40 units of good X. At the same time, the price of good Y stayed the same, but sales of good Y decreased from 40 units to 20 units. We can conclude that goods Y and X are

Respuesta :

Answer: complementary goods.

Explanation:

A complementary good is a good that is used together with another good. Complementary goods usually have low utility when consumed alone.

Complementary goods usually have a negative cross price elasticity.

Negative cross price elasticity means that as the price of a product increases, the demand for the complement falls.

As the price of X increased, the quantity demanded of Y fell.

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