Study the following Caselet and answer the following question.

In a city, there are 12000 families using different telecom companies airtel, jio, and idea. 28% of families use only airtel. Families using only jio is twice the number of families using only idea. 10% of families use only jio and idea both, the number of families using only idea and airtel both are same as the number of families using all the three telecom services that are 3%. The number of families using only airtel and jio both are half the number of families using only jio and idea both.